"Editor's note" as an open source object-relational database, Postgres has been loved by many developers. Recently, Postgres officially released version 9.5, which has been a lot of repair and functional improvements. This article will share 10
Recently, I have been working on a project related to PostgreSQL database, documenting the knowledge that I have learned in this process. About PostgreSQL database online already have too many relevant introduction, in order to blog the system or
Today development found me, said their database connection is not up, may be too many connections, and then I log on to the server, and try to log into the database, is also an error:Psql:FATAL:sorry, too many clients alreadyIt is clear that the
Psql: Fatal error: User "Postgres" Ident authentication failed1 after installing the PostgreSQL database, you need to initialize and some configuration rails project to connect PostgreSQL.After the PostgreSQL data is installed (the Yum command is
Problem: Fatal error: User "Postgres" Ident authentication failedNote: This is because there is no remote access configured and authentication method has not changed, only need to change the use of account password authentication.Workaround: Locate
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PG is a pure go write driver of the Postgres database. The author gave us a little joke, the PQ will always be habitually written PG there is no ...
What this article contains: Use commands to manipulate import and export of Oracle, Postgres, MySQL, including logging on to dataNote: I am using the Center OS operating system in the company, so both Oracle and Postgres are used in Linux and not
The first step: Connect to the Linux service via Xshell or other tools,Step Two: Create a script: Touch se.shStep three: Enter I to enter the following command on behalf of the start input:The script is as follows: (SQL statement can be any complex
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