In PostgreSQL, the database objects are created using the CREATE command. In this write-up, we will discuss how to use the Postgres “CREATE” command for Table, View, Sequence, INDEX, Function, and Tablespace Creation. Case 1: Use the CREATE Command For Table Creation Tables are among the...
This Postgres blog will present a step-by-step guide on how to use theDELETE CASCADEoption in Postgres. So, let’s start! When to Use DELETE CASCADE in Postgres? For instance, consider a database with a "customer_details" and an "order_details" table. The "order_details" table is lin...
1) Firstly, stoppostgresqldaemon Raw # service postgresql stop 2) Switch to user postgres and bring the affected database up in standalone mode, after that execute a vacuum full: Raw # su - postgres Raw $ postgres <db-name> PostgreSQL stand-alone backend 8.1.23 backend> vacuum full; bac...
./pg_dump -h localhost -U postgres postgres > ./old-backup.sql 导入database 首先进入/home/postgres/bin目录 ./psql -U postgres(用户名) 数据库名(缺省时同用户名) < data/dum.sql ./psql -U postgres old_backup < /home/postgres/backup/old-backup.sql 删除数据 delete from table_name; 删除...
This section describes meta-commands provided by gsql after the GaussDB(DWS) database CLI tool is used to connect to a database. A gsql meta-command can be anything that
psql -h 192.168.1.10 -p 5432 -d database_name Supplying User Credentials when Connecting to PostgreSQL Unless you are logged in as the userpostgresand connecting tolocalhost, you will most likely need to specify the username (-U) and ask to be prompted for a password (-W) to connect: ...
Much like the history of the Bash shell, the Postgres command history is stored in your home directory in the hidden file .psql_history. Although this is handy, it can also be a security risk to keep old commands where prying eyes can find them. You can easily delete this file, or cle...
Shell command provides a tool to operate database. For example, you can create table, alter table, insert data, delete data and etc. xorm shell sqlite3 test.dbwill connect to the sqlite3 database and you can typehelpto list all the shell commands. ...
or delete rows in the table they will block until the index build is finished. This could have a severe effect if the system is a live production database. Very large tables can take many hours to be indexed, and even for smaller tables, an index build can lock out writers for periods...
--api-password-file No Null The path to the file and the name of the file containing the password of the Tableau Server API user account. --repository-server Yes Null This is the server name for the PostgreSQL database that in installed with Tableau Server. --repository-database Yes Null...