Home PC Games Linux Windows Database Network Programming Server Mobile  
           
  Home \ Database \ PostgreSQL query result area is removed and precision     - Why HBase need to build SQL engine layer (Database)

- VMware11 virtual machine Ubuntu14.10 system partition sda1 disk expansion (Linux)

- The method to mount the CD under Linux (Linux)

- Common DDOS attacks (Linux)

- MariaDB 10 Multi-source replication (Database)

- Taught you how to build your own VPS server (Server)

- Ubuntu derivative version of the user and how to install SmartGit / HG 6.0.0 (Linux)

- Installation and use GAMIT / GLOBK Software (Linux)

- Oracle utilized undo data recovery operations (Database)

- Some common Linux commands Study Notes (Linux)

- Android to determine whether the device to open WIFI, GPRS data connection (Programming)

- Easy to install Ubuntu 15.04 and Ubuntu 15.04 GNOME on Wayland trial (Linux)

- Do you know how to build the Linux kernel (Programming)

- Hadoop - Task Scheduling System Comparison (Server)

- Zabbix API and PHP configuration (Server)

- Spring AOP (Programming)

- Docker: installation under Ubuntu (Server)

- xCAT deployment (Linux)

- Installation of Theano + CUDA under Ubuntu (Linux)

- Oracle row and column switch to turn columns (Database)

 
         
  PostgreSQL query result area is removed and precision
     
  Add Date : 2018-11-21      
         
         
         
  Had been using PostgreSQL functions to piece together, today suddenly discovered they can be that simple, direct use of timestamp (0) to fix it up:

ls => select createtime :: timestamp (0) without time zone from users;
      createtime
---------------------
  2015-10-03 01:32:03
  2015-10-03 01:32:03
  2015-10-03 01:32:03
(3 rows)
ls => select createtime :: timestamp without time zone from users;
          createtime
----------------------------
  2015-10-0301: 32: 03.080415
  2015-10-0301: 32: 03.080415
  2015-10-0301: 32: 03.080415
(3 rows)
     
         
         
         
  More:      
 
- IO reference Docker container (Server)
- CentOS 7 repair MBR and GRUB (Linux)
- Java integrated development environment common set of operations (Linux)
- CentOS yum source as the default setting methods in DVD (Linux)
- Java is simple to read and write HDFS Demo (Programming)
- Haproxy multi-domain certificate HTTPS (Server)
- 3 tips Linux command (Linux)
- Golang environment configuration recommendations (Linux)
- Hadoop virtualization performance comparison and tuning experience (Server)
- How to install the latest version of the Eclipse in Ubuntu 14.04 (Linux)
- The basic method RHEL6 (CentOS6) used in the source package compiled RPM: Upgrade OpenSSH articles (Linux)
- Linux install deploy Ansible (Linux)
- Hive start being given: Found class jline.Terminal, but interface was expected (Database)
- Remote installation of Net-SNMP whole process (Linux)
- Eclipse remove all comments and code spaces (Linux)
- Usage logs Python library (Programming)
- MacBook Air install Ubuntu dual system (Linux)
- How to Install Sticky Notes on Ubuntu and Derivatives (Linux)
- Sturdy build secure Linux server (Linux)
- ELKstack log analysis platform (Server)
     
           
     
  CopyRight 2002-2022 newfreesoft.com, All Rights Reserved.