The command syntax for Psql is:psql [Options] [dbname [username]]The Psql command-line options and their meanings are listed in table 1-1. Use the following command to see a complete list of options for Psql:$ psql--helpTable 1-1 psql command-line
Psql powerful, skills how to use only follow-up slowly supplemented, see a tool first see how to use Help$ psql #连接到数据库服务器, in which you can enter the appropriate SQL statement or PSQL command, psql command starts with \$ \l #列出所有的数据库$ \d #查看表的结构$
Common Psql commands
Source: http://www.cnblogs.com/happyhotty/articles/1920455.html
\ D[
Table]
List tables in the database or (if declared) tables
TableIf the table name is declared with a wildcard ("*"), it lists the column/field
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
Rails connection postgresql error: psql: Fatal error: User "s" Ident authentication failed, psqlpostgresPsql: Fatal error: User "s" Ident authentication failed
1. After the postgresql database is installed, you must initialize and configure some
\?-------------------------------------General\copyright display the use and release license terms for PostgreSQL\g [file] or; Execute the query (and write the results to a file or | pipeline)\gset [PREFIX] executes the query and saves the result to
D:\Program files\postgresql\9.3\scriptsThis is the default buffer position of the psql;Psql's command: D:\Program files\postgresql\9.3\scripts\runpsql.bat--Query buffer\e [file] [line] Edit query buffer (or file) using external editor\EF [FUNCNAME
Seven, Pg_dump:
Pg_dump is a tool for backing up the PostgreSQL database. It can even make a full, consistent backup when the database is being used concurrently, without blocking access to the database by other users. The dump format generated by
0, password file:
Before giving other PostgreSQL client commands, we need to introduce the password file in PostgreSQL. The file is explained here in advance because we are applying the file in a lot of the following sample code to ensure that our
PostgreSQL tutorial (18): client commands (2), postgresql tutorial
VII. pg_dump:
Pg_dump is a tool used to back up PostgreSQL databases. It can even perform a full and consistent backup when the database is being used concurrently without blocking
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