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  Several SQL Server data migration / Export Import Practice
     
  Add Date : 2017-01-08      
         
         
         
  SQL Server provides a variety of tools and methods for importing and exporting data, and in this to share my practical experience (only relates to export and import between databases and Excel, databases and text files, databases, and database).

(A) database and Excel

method 1:

Use the database client (SSMS) interface tools. Right to select the data to export the database, select "Tasks" - "Export Data", Figure 1, follow the wizard step by step you can. And import the contrary, import, SQLServer default create a new table with default field names are imported as Excel title, and default field data types. Of course, you can be modified in the wizard. Note that if the title is not in English but Chinese, created by default field name is Chinese, which will cause trouble later data updating operation, it is best to make sense of the English field name. After the data import, and then executing a statement, the data insert / update to the business table.

figure-1: Task - Export Data

Method 2:

From SQLServer2005 start, you can check out directly in SSMS results Copy and then paste into Excel, for small amounts of data, it is very quick and easy, it is necessary to note that numbers may become long form of scientific notation, early in Excel format specified column as text.

Import words, ctrl + c to copy data in Excel, and then select the related tables, edit data, the data can be pasted directly. It is not recommended pasted directly into the business table (if the table is empty there is no data, and the fields corresponds to the order, you can do this), but it is recommended to paste it into a new table in the middle, and then through the statement, the data insert / update to business table.

Export and import of this method is suitable for small amounts of data, such as less than 5000 rows of records, more than 5000 line is not recommended, and slower if the data is too large, but also some success.

(B) the database and text files, databases and database

Data migration between databases import or export is actually quite easy, for example, after the backup database on the new machine to do the recovery. But note that the version of the backup SQL2008 before recovery can not be directly on SQL2012 or later, but by the middle SQL2008 make a transition to restore the old version of the database to SQL2008, then do a backup of the last recovery in SQL2012 .

If this is a new version (below to SQL2012 example) backup files to restore an older version (to SQL2008 example) the more trouble, generally do not support the new version of the backup files in the old version of the recovery. Only through scripting, import the data into the new version of the old version.

method 1:

First, the data is not recommended landing "linked server." Use SQL2012 of SSMS, connect to the instance SQL2012 and SQL2008 by writing scripts to import data into SQL2008 in SQL2012. You may be connected by two linked server instance. The following is the setup procedure.

figure-2: New Linked Server

figure-3: linked server and data source

figure-4: Certification

figure-5: Once created, you can directly browse the linked server directory, you can also use the query statement.

You can also use a script to create a linked server.

- Create a linked server
EXEC sp_addlinkedserver
@ Server = 'LINKED_SERVER_TEST2', - the server being accessed alias
@ Srvproduct = '',
@ Provider = 'SQLOLEDB',
@ Datasrc = '192.168.88.6,11433' - data sources
GO

- Create a login name and password
EXEC sys.sp_addlinkedsrvlogin
@rmtsrvname = 'LINKED_SERVER_TEST2', - the server being accessed alias
@useself = 'false',
@locallogin = NULL,
@rmtuser = 'sa', - the data source login
@rmtpassword = 'psd123456' - the data source login password
GO

- Setting data access
EXEC sys.sp_serveroption
@server = 'LINKED_SERVER_TEST2',
@optname = 'data access',
@optvalue = N'true '
GO
code-1: create a linked server script

Once created, you can directly query the data.

igure-6: linked server query data

Through the view sys.servers can query all servers and related properties.

figure-7: All linked server query

On SSMS or run the following script to delete the specified linked server.

- Remove link server and all logon
EXEC sys.sp_dropserver
 @server = 'LINKED_SERVER_TEST2',
 @droplogins = 'droplogins'
 GO
 code-2: Delete all linked server and login

For details, please refer to: https: //technet.microsoft.com/zh-cn/library/ff772782%28v=sql.105%29.aspx

Method 2:

If you can not connect two instances, you can export data in SQL2012, SQL2008 and then on import. SQLServer provide build scripts tool contains data, Figure 2. In the third step of the "Advanced" option there is an "Types of data to scripts" There are three options: Data only, Schema and data, Schema only, are only generated data, generate tables (objects) and data tables (objects ). There are generated version of the script "Script for Server Version"

figure-8: Task - Generate Scripts

figure-9: Advanced options to generate scripts

You can also use a stored procedure generates a script that contains the data. Here people have made a written stored procedures: sp_generate_inserts. After running, it will generate a press table each record insert statement

CREATE PROC [dbo]. [Sp_generate_inserts]
    (
      @table_name VARCHAR (776), - The table / view for which the INSERT statements will be generated using the existing data
      @target_table VARCHAR (776) = NULL, - Use this parameter to specify a different table name into which the data will be inserted
      @include_column_list BIT = 1, - Use this parameter to include / ommit column list in the generated INSERT statement
      @from VARCHAR (800) = NULL, - Use this parameter to filter the rows based on a filter condition (using WHERE)
      @include_timestamp BIT = 0, - Specify 1 for this parameter, if you want to include the TIMESTAMP / ROWVERSION column's data in the INSERT statement
      @debug_mode BIT = 0, - If @debug_mode is set to 1, the SQL statements constructed by this procedure will be printed for later examination
      @owner VARCHAR (64) = NULL, - Use this parameter if you are not the owner of the table
      @ommit_images BIT = 0, - Use this parameter to generate INSERT statements by omitting the 'image' columns
      @ommit_identity BIT = 1, - Use this parameter to ommit the identity columns
      @top INT = NULL, - Use this parameter to generate INSERT statements only for the TOP n rows
      @cols_to_include VARCHAR (8000) = NULL, - List of columns to be included in the INSERT statement
      @cols_to_exclude VARCHAR (8000) = NULL, - List of columns to be excluded from the INSERT statement
      @disable_constraints BIT = 0, - When 1, disables foreign key constraints and enables them after the INSERT statements
      @ommit_computed_cols BIT = 1 - When 1, computed columns will not be included in the INSERT statement
    
    )
AS
    BEGIN

/ ************************************************* ************************************************** ********
Procedure: sp_generate_inserts (Build 22)
        (Copyright? 2002 Narayana Vyas Kondreddi. All rights reserved.)
                                          
Purpose: To generate INSERT statements from existing data.
        These INSERTS can be executed to regenerate the data at some other location.
        This procedure is also useful to create a database setup, where in you can
        script your data along with your table definitions.

Written by: Narayana Vyas Kondreddi
            http://vyaskn.tripod.com

Acknowledgements:
        Divya Kalra - For beta testing
        Mark Charsley - For reporting a problem with scripting uniqueidentifier columns with NULL values
        Artur Zeygman - For helping me simplify a bit of code for handling non-dbo owned tables
        Joris Laperre - For reporting a regression bug in handling text / ntext columns

Tested on: SQL Server 7.0 and SQL Server 2000

Date created: January 17th 2001 21:52 GMT

Date modified: May 1st 2002 19:50 GMT

Email: vyaskn@hotmail.com

NOTE: This procedure may not work with tables with too many columns.
        Results can be unpredictable with huge text columns or SQL Server 2000's sql_variant data types
        Whenever possible, Use @include_column_list parameter to ommit column list in the INSERT statement, for better results
        IMPORTANT: This procedure is not tested with internation data (Extended characters or Unicode) If needed.
        you might want to convert the datatypes of character variables in this procedure to their respective unicode counterparts
        like nchar and nvarchar
        

Example 1: To generate INSERT statements for table 'titles':
        
        EXEC sp_generate_inserts 'titles'

Example 2: To ommit the column list in the INSERT statement: (Column list is included by default)
        IMPORTANT: If you have too many columns, you are advised to ommit column list, as shown below,
        to avoid erroneous results
        
        EXEC sp_generate_inserts 'titles', @include_column_list = 0

Example 3: To generate INSERT statements for 'titlesCopy' table from 'titles' table:

        EXEC sp_generate_inserts 'titles', 'titlesCopy'

Example 4: To generate INSERT statements for 'titles' table for only those titles
        which contain the word 'Computer' in them:
        NOTE:. Do not complicate the FROM or WHERE clause here It's assumed that you are good with T-SQL if you are using this parameter

        EXEC sp_generate_inserts 'titles', @from = "from titles where title like '% Computer%'"

Example 5: To specify that you want to include TIMESTAMP column's data as well in the INSERT statement:
        (By default TIMESTAMP column's data is not scripted)

        EXEC sp_generate_inserts 'titles', @include_timestamp = 1

Example 6: To print the debug information:
  
        EXEC sp_generate_inserts 'titles', @debug_mode = 1

Example 7: If you are not the owner of the table, use @owner parameter to specify the owner name
        To use this option, you must have SELECT permissions on that table

        EXEC sp_generate_inserts Nickstable, @owner = 'Nick'

Example 8: To generate INSERT statements for the rest of the columns excluding images
        When using this otion, DO NOT set @include_column_list parameter to 0.

        EXEC sp_generate_inserts imgtable, @ommit_images = 1

Example 9: To generate INSERT statements excluding (ommiting) IDENTITY columns:
        (By default IDENTITY columns are included in the INSERT statement)

        EXEC sp_generate_inserts mytable, @ommit_identity = 1

Example 10: To generate INSERT statements for the TOP 10 rows in the table:
        
        EXEC sp_generate_inserts mytable, @top = 10

Example 11: To generate INSERT statements with only those columns you want:
        
        EXEC sp_generate_inserts titles, @cols_to_include = " 'title', 'title_id', 'au_id'"

Example 12: To generate INSERT statements by omitting certain columns:
        
        EXEC sp_generate_inserts titles, @cols_to_exclude = " 'title', 'title_id', 'au_id'"

Example 13: To avoid checking the foreign key constraints while loading data with INSERT statements:
        
        EXEC sp_generate_inserts titles, @disable_constraints = 1

Example 14: To exclude computed columns from the INSERT statement:
        EXEC sp_generate_inserts MyTable, @ommit_computed_cols = 1
************************************************** ************************************************** ******* /


   SET NOCOUNT ON

--Making Sure user only uses either @cols_to_include or @cols_to_exclude
        IF ((@cols_to_include IS NOT NULL)
             AND (@cols_to_exclude IS NOT NULL)
           )
            BEGIN
                RAISERROR ( 'Use either @cols_to_include or @cols_to_exclude. Do not use both the parameters at once', 16,1)
                RETURN -1 --Failure Reason:. Both @cols_to_include and @cols_to_exclude parameters are specified
            END

--Making Sure the @cols_to_include and @cols_to_exclude parameters are receiving values in proper format
        IF ((@cols_to_include IS NOT NULL)
             AND (PATINDEX ( '' '%' '', @cols_to_include) = 0)
           )
            BEGIN
                RAISERROR ( 'Invalid use of @cols_to_include property', 16,1)
                PRINT 'Specify column names surrounded by single quotes and separated by commas'
                PRINT 'Eg: EXEC sp_generate_inserts titles, @cols_to_include = "' 'title_id' ',' 'title' '"'
                RETURN -1 --Failure Reason:. Invalid use of @cols_to_include property
            END

        IF ((@cols_to_exclude IS NOT NULL)
             AND (PATINDEX ( '' '%' '', @cols_to_exclude) = 0)
           )
            BEGIN
                RAISERROR ( 'Invalid use of @cols_to_exclude property', 16,1)
                PRINT 'Specify column names surrounded by single quotes and separated by commas'
                PRINT 'Eg: EXEC sp_generate_inserts titles, @cols_to_exclude = "' 'title_id' ',' 'title' '"'
                RETURN -1 --Failure Reason:. Invalid use of @cols_to_exclude property
            END


--Checking To see if the database name is specified along wih the table name
--Your Database context should be local to the table for which you want to generate INSERT statements
--specifying the database name is not allowed
        IF (PARSENAME (@table_name, 3)) IS NOT NULL
            BEGIN
                RAISERROR ( 'Do not specify the database name. Be in the required database and just specify the table name.', 16,1)
                RETURN -1 --Failure Reason:. Database name is specified along with the table name, which is not allowed
            END

--Checking For the existence of 'user table' or 'view'
--This Procedure is not written to work on system tables
--To Script the data in system tables, just create a view on the system tables and script the view instead

        IF @owner IS NULL
            BEGIN
                IF ((OBJECT_ID (@table_name, 'U') IS NULL)
                     AND (OBJECT_ID (@table_name, 'V') IS NULL)
                   )
                    BEGIN
                        RAISERROR ( 'User table or view not found.', 16,1)
                        PRINT 'You may see this error, if you are not the owner of this table or view. In that case use @owner parameter to specify the owner name.'
                        PRINT 'Make sure you have SELECT permission on that table or view.'
                        RETURN -1 --Failure Reason:. There is no user table or view with this name
                    END
            END
        ELSE
            BEGIN
                IF NOT EXISTS (SELECT 1
                                FROM INFORMATION_SCHEMA.TABLES
                                WHERE TABLE_NAME = @table_name
                                        AND (TABLE_TYPE = 'BASE TABLE'
                                              OR TABLE_TYPE = 'VIEW'
                                            )
                                        AND TABLE_SCHEMA = @owner)
                    BEGIN
                        RAISERROR ( 'User table or view not found.', 16,1)
                        PRINT 'You may see this error, if you are not the owner of this table. In that case use @owner parameter to specify the owner name.'
                        PRINT 'Make sure you have SELECT permission on that table or view.'
                        RETURN -1 --Failure Reason:. There is no user table or view with this name
                    END
            END

--Variable Declarations
        DECLARE @Column_ID INT,
            @Column_List NVARCHAR (MAX),
            @Column_Name VARCHAR (128),
            @Start_Insert NVARCHAR (MAX),
            @Data_Type VARCHAR (128),
            @Actual_Values NVARCHAR (MAX), --This is the string that will be finally executed to generate INSERT statements
            @IDN VARCHAR (128) --Will contain the IDENTITY column's name in the table

--Variable Initialization
        SET @IDN = ''
        SET @Column_ID = 0
        SET @Column_Name = ''
        SET @Column_List = ''
        SET @Actual_Values = ''

        IF @owner IS NULL
            BEGIN
                SET @Start_Insert = 'INSERT INTO' + '['
                    + RTRIM (COALESCE (@target_table, @table_name)) + ']'
            END
        ELSE
            BEGIN
                SET @Start_Insert = 'INSERT' + '[' + LTRIM (RTRIM (@owner))
                    + '].' + '[' + RTRIM (COALESCE (@target_table, @table_name))
                    + ']'
            END


--To Get the first column's ID

        SELECT @Column_ID = MIN (ORDINAL_POSITION)
        FROM INFORMATION_SCHEMA.COLUMNS (NOLOCK)
        WHERE TABLE_NAME = @table_name
                AND (@owner IS NULL
                      OR TABLE_SCHEMA = @owner
                    )


--Loop Through all the columns of the table, to get the column names and their data types
        WHILE @Column_ID IS NOT NULL
            BEGIN
                SELECT @Column_Name = QUOTENAME (COLUMN_NAME),
                        @Data_Type = DATA_TYPE
                FROM INFORMATION_SCHEMA.COLUMNS (NOLOCK)
                WHERE ORDINAL_POSITION = @Column_ID
                        AND TABLE_NAME = @table_name
                        AND (@owner IS NULL
                              OR TABLE_SCHEMA = @owner
                            )



                IF @cols_to_include IS NOT NULL --Selecting only user specified columns
                    BEGIN
                        IF CHARINDEX ( '' '' + SUBSTRING (@Column_Name, 2,
                                                      LEN (@Column_Name) - 2)
                                     + '' '', @cols_to_include) = 0
                            BEGIN
                                GOTO SKIP_LOOP
                            END
                    END

                IF @cols_to_exclude IS NOT NULL --Selecting only user specified columns
                    BEGIN
                        IF CHARINDEX ( '' '' + SUBSTRING (@Column_Name, 2,
                                                      LEN (@Column_Name) - 2)
                                     + '' '', @cols_to_exclude) <> 0
                            BEGIN
                                GOTO SKIP_LOOP
                            END
                    END

        --Making Sure to output SET IDENTITY_INSERT ON / OFF in case the table has an IDENTITY column
                IF (SELECT COLUMNPROPERTY (OBJECT_ID (QUOTENAME (COALESCE (@owner,
                                                              USER_NAME ()))
                                                     + '.' + @table_name),
                                           SUBSTRING (@Column_Name, 2,
                                                     LEN (@Column_Name) - 2),
                                           'IsIdentity')
                   ) = 1
                    BEGIN
                        IF @ommit_identity = 0 --Determing whether to include or exclude the IDENTITY column
                            SET @IDN = @Column_Name
                        ELSE
                            GOTO SKIP_LOOP
                    END
        
        --Making Sure whether to output computed columns or not
                IF @ommit_computed_cols = 1
                    BEGIN
                        IF (SELECT COLUMNPROPERTY (OBJECT_ID (QUOTENAME (COALESCE (@owner,
                                                              USER_NAME ()))
                                                             + '.'
                                                             + @table_name),
                                                   SUBSTRING (@Column_Name, 2,
                                                             LEN (@Column_Name)
                                                             - 2),
                                                   'IsComputed')
                           ) = 1
                            BEGIN
                                GOTO SKIP_LOOP
                            END
                    END
        
        --Tables With columns of IMAGE data type are not supported for obvious reasons
                IF (@Data_Type IN ( 'image'))
                    BEGIN
                        IF (@ommit_images = 0)
                            BEGIN
                                RAISERROR ( 'Tables with image columns are not supported.', 16,1)
                                PRINT 'Use @ommit_images = 1 parameter to generate INSERTs for the rest of the columns.'
                                PRINT 'DO NOT ommit Column List in the INSERT statements. If you ommit column list using @ include_column_list = 0, the generated INSERTs will fail.'
                                RETURN -1 --Failure Reason:. There is a column with image data type
                            END
                        ELSE
                            BEGIN
                                GOTO SKIP_LOOP
                            END
                    END

        --Determining The data type of the column and depending on the data type, the VALUES part of
        --the INSERT statement is generated. Care is taken to handle columns with NULL values. Also
        --making sure, not to lose any data from flot, real, money, smallmomey, datetime columns
                SET @Actual_Values = @Actual_Values
                    + CASE WHEN @Data_Type IN ( 'char', 'varchar', 'nchar', 'nvarchar')
                           THEN 'COALESCE (' 'N' '' '' '+ REPLACE (RTRIM ('
                                + @Column_Name
                                + '),' '' '' '' ',' '' '' '' '' '' ') +' '' '' '' ',' 'NULL' ')'
                           WHEN @Data_Type IN ( 'datetime', 'smalldatetime',
                                                'DATE', 'time')
                           THEN 'COALESCE (' '' '' '' '+ RTRIM (CONVERT (char,'
                                + @Column_Name + ', 120)) +' '' '' '' ',' 'NULL' ')'
                           WHEN @Data_Type IN ( 'uniqueidentifier')
                           THEN 'COALESCE (' '' '' '' '+ REPLACE (CONVERT (char (255), RTRIM ('
                                + @Column_Name
                                + ')),' '' '' '' ',' '' '' '' '' '' ') +' '' '' '' ',' 'NULL' ')'
                           WHEN @Data_Type IN ( 'text', 'ntext')
                           THEN 'COALESCE (' 'N' '' '' '+ REPLACE (CONVERT (char (8000),'
                                + @Column_Name
                                + '),' '' '' '' ',' '' '' '' '' '' ') +' '' '' '' ',' 'NULL' ')'
                           WHEN @Data_Type IN ( 'binary', 'varbinary')
                           THEN 'COALESCE (RTRIM (CONVERT (char,'
                                + 'CONVERT (int,' + @Column_Name
                                + '))),' 'NULL' ')'
                           WHEN @Data_Type IN ( 'timestamp', 'rowversion')
                           THEN CASE WHEN @include_timestamp = 0
                                     THEN '' 'DEFAULT' ''
                                     ELSE 'COALESCE (RTRIM (CONVERT (char,'
                                          + 'CONVERT (int,' + @Column_Name
                                          + '))),' 'NULL' ')'
                                END
                           WHEN @Data_Type IN ( 'hierarchyid')
                           THEN 'COALESCE (' 'CAST (' '' '' '+ LTRIM (RTRIM ('
                                + 'CONVERT (char,' + @Column_Name + ')'
                                + ')),' 'NULL' ')' + '+' '' '' 'AS hierarchyid)' ''
                           WHEN @Data_Type IN ( 'float', 'real', 'money',
                                                'Smallmoney')
                           THEN 'COALESCE (LTRIM (RTRIM (' + 'CONVERT (char,'
                                + @Column_Name + ', 2)' + ')),' 'NULL' ')'
                           ELSE 'COALESCE (LTRIM (RTRIM (' + 'CONVERT (char,'
                                + @Column_Name + ')' + ')),' 'NULL' ')'
                      END + '+' + '' ',' '' + '+'
        
   --Generating The column list for the INSERT statement
                SET @Column_List = @Column_List + @Column_Name + ','

                SKIP_LOOP: --The label used in GOTO

                SELECT @Column_ID = MIN (ORDINAL_POSITION)
                FROM INFORMATION_SCHEMA.COLUMNS (NOLOCK)
                WHERE TABLE_NAME = @table_name
                        AND ORDINAL_POSITION> @Column_ID
                        AND (@owner IS NULL
                              OR TABLE_SCHEMA = @owner
                            )


    --Loop Ends here!
            END

--To Get rid of the extra characters that got concatenated during the last run through the loop
        SET @Column_List = LEFT (@Column_List, LEN (@Column_List) - 1)
        SET @Actual_Values = LEFT (@Actual_Values, LEN (@Actual_Values) - 6)

        IF LTRIM (@Column_List) = ''
            BEGIN
                RAISERROR ( 'No columns to select. There should at least be one column to generate the output', 16,1)
                RETURN -1 --Failure Reason:. Looks like all the columns are ommitted using the @cols_to_exclude parameter
            END

--Forming The final string that will be executed, to output the INSERT statements
        IF (@include_column_list <> 0)
            BEGIN
                SET @Actual_Values = 'SELECT' + CASE WHEN @top IS NULL
                                                           OR @top <0 THEN ''
                                                      ELSE 'TOP'
                                                           + LTRIM (STR (@top))
                                                           + ''
                                                 END + '' ''
                    + RTRIM (@Start_Insert) + '' '+' + '' '('
                    + RTRIM (@Column_List) + '' '+' + '' ')' ''
                    + '+' 'VALUES (' '+' + @Actual_Values + '+' ')' '' + ''
                    + COALESCE (@from,
                               'FROM' + CASE WHEN @owner IS NULL THEN ''
                                               ELSE '[' + LTRIM (RTRIM (@owner))
                                                    + '].'
                                          END + '[' + RTRIM (@table_name) + ']'
                               + '(NOLOCK)')
            END
        ELSE
            IF (@include_column_list = 0)
                BEGIN
                    SET @Actual_Values = 'SELECT'
                        + CASE WHEN @top IS NULL
                                    OR @top <0 THEN ''
                               ELSE 'TOP' + LTRIM (STR (@top)) + ''
                          END + '' '' + RTRIM (@Start_Insert)
                        + '' '+' 'VALUES (' '+' + @Actual_Values + '+' ')' ''
                        + '' + COALESCE (@from,
                                         'FROM'
                                         + CASE WHEN @owner IS NULL THEN ''
                                                ELSE '[' + LTRIM (RTRIM (@owner))
                                                     + '].'
                                           END + '[' + RTRIM (@table_name)
                                         + ']' + '(NOLOCK)')
                END

--Determining Whether to ouput any debug information
        IF @debug_mode = 1
            BEGIN
                PRINT '/ ***** START OF DEBUG INFORMATION *****'
                PRINT 'Beginning of the INSERT statement:'
                PRINT @Start_Insert
                PRINT ''
                PRINT 'The column list:'
        --PRINT @Column_List
                PRINT ''
                PRINT 'The SELECT statement executed to generate the INSERTs'
                PRINT @Actual_Values
                PRINT ''
                PRINT '***** END OF DEBUG INFORMATION ***** /'
                PRINT ''
            END
        
        --PRINT '--INSERTs Generated by' 'sp_generate_inserts' 'stored procedure written by Vyas'
        --PRINT '--Build Number: 22'
        --PRINT '--Problems / Suggestions? Contact Vyas @ vyaskn@hotmail.com'
        --PRINT '--http: //vyaskn.tripod.com'
        --PRINT ''
        --PRINT 'SET NOCOUNT ON'
        --PRINT ''


--Determining Whether to print IDENTITY_INSERT or not
        IF (@IDN <> '')
            BEGIN
                PRINT 'SET IDENTITY_INSERT' + QUOTENAME (COALESCE (@owner,
                                                              USER_NAME ()))
                    + '.' + QUOTENAME (@table_name) + 'ON'
                PRINT 'GO'
                PRINT ''
            END


        IF @disable_constraints = 1
            AND (OBJECT_ID (QUOTENAME (COALESCE (@owner, USER_NAME ())) + '.'
                            + @table_name, 'U') IS NOT NULL)
            BEGIN
                IF @owner IS NULL
                    BEGIN
                        SELECT 'ALTER TABLE'
                                + QUOTENAME (COALESCE (@target_table,
                                                     @table_name))
                                + 'NOCHECK CONSTRAINT ALL' AS '--Code to disable constraints temporarily'
                    END
                ELSE
                    BEGIN
                        SELECT 'ALTER TABLE' + QUOTENAME (@owner) + '.'
                                + QUOTENAME (COALESCE (@target_table,
                                                     @table_name))
                                + 'NOCHECK CONSTRAINT ALL' AS '--Code to disable constraints temporarily'
                    END

                PRINT 'GO'
            END

        PRINT ''
        PRINT 'PRINT' 'Inserting values into' + '['
            + RTRIM (COALESCE (@target_table, @table_name)) + ']' + '' ''


--All The hard work pays off here !!! You'll get your INSERT statements, when the next line executes!
        EXEC (@Actual_Values)

        PRINT 'PRINT' 'Done' ''
        PRINT ''


        IF @disable_constraints = 1
            AND (OBJECT_ID (QUOTENAME (COALESCE (@owner, USER_NAME ())) + '.'
                            + @table_name, 'U') IS NOT NULL)
            BEGIN
                IF @owner IS NULL
                    BEGIN
                        SELECT 'ALTER TABLE'
                                + QUOTENAME (COALESCE (@target_table,
                                                     @table_name))
                                + 'CHECK CONSTRAINT ALL' AS '--Code to enable the previously disabled constraints'
                    END
                ELSE
                    BEGIN
                        SELECT 'ALTER TABLE' + QUOTENAME (@owner) + '.'
                                + QUOTENAME (COALESCE (@target_table,
                                                     @table_name))
                                + 'CHECK CONSTRAINT ALL' AS '--Code to enable the previously disabled constraints'
                    END

                PRINT 'GO'
            END

        PRINT ''
        IF (@IDN <> '')
            BEGIN
                PRINT 'SET IDENTITY_INSERT' + QUOTENAME (COALESCE (@owner,
                                                              USER_NAME ()))
                    + '.' + QUOTENAME (@table_name) + 'OFF'
                PRINT 'GO'
            END

        --PRINT 'SET NOCOUNT OFF'


        SET NOCOUNT OFF
        RETURN 0 --Success. We are done!
    END
GO
View Code
code-3: sp_generate_inserts script source code

In my actual use, only two or three more commonly used parameters, namely @ table_name, @ from and @owner, if the schema of the table using the default dbo, can be omitted.

figure-10: An example use of sp_generate_inserts

Usage of other parameters, not one by one to explain. I often use this stored procedure to do some simple and small amounts (eg less than tens of thousands of rows) of data export and import, a lot easier and faster than previously described methods. However, this stored procedure support process commonly used data types like XML of this type is not supported. Also, if the data generated too much, SSMS return data will be very slow, even SSMS will be hung up, then use SSMS or own export script files to secure more. If you use a script file data generated by large, several hundred MB or even GB, while importing, you can not directly open to the direct use SSMS executed. Then you can use the SQLCMD utility to execute script. As an example below, in the D drive to have a script 1.sql, says:

USE AdventureWorks2008R2
GO
SELECT * FROM Person.CountryRegion;
GO
code-4: SQLMCD test scripts

Enter the run CMD, enter:

sqlcmd -S localhost -d AdventureWorks2008R2 -i D: \ 1.sql
code-5: SQLMCD command

 figure-11: SQLCMD test case

Method 3:

Use BCP to export to import large amounts of data. I can see another blog "BCP practice of importing and exporting large amounts of data."

Several methods are my importing and exporting of data in their daily work more often use tools, each method has its own advantages and different usage scenarios, using different combinations of methods, you can save time, improve efficiency, I hope for your help. If you have better suggestions or methods welcome tell me!
     
         
         
         
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