PostgreSQLprovides aRENAME COLUMNclause that is used with the collaboration ofALTER TABLEcommand to rename a column. TheRENAME COLUMNcommand allows us to rename a single or multiple columns.PostgreSQLdoesn’t provide the“IF EXISTS”option for the“RENAME COLUMN”command. This write-up will explain ...
You can rename a table in PostgreSQL by using the ‘ALTER TABLE’ command as follows: ALTER TABLE tablename RENAME TO preferredtablename; If the table name has odd characters in it, then a syntax error might be generated which can be solved by placing the table name in double quotes: ...
How to Rename a Database in PostgreSQL Using pgAdmin If you are a GUI lover and want to rename a database without executing any query, then opt for the pgAdmin(GUI-based development platform for Postgres). Using pgAdmin you can rename a database either by using GUI (manually) or by exec...
In theDATABASESsection of the cPanel home screen, clickPostgreSQL Databases: UnderCurrent Databases, locate the database you want to rename. In theActionscolumn, clickRename: TheRename Databasedialog box appears. In theNew nametext box, type the new name for the database: ...
How to Rename a Table in PostgreSQL? Syntax: ALTERTABLEtable_nameRENAMETOnew_table_name; Explanation:Define the table name to be renamed after the ALTER TABLE clause. Specify the new name for the table after the RENAME TO clause. PostgreSQL throws an error if you try to rename the non-exi...
Let's recap some basic PostgreSQL commands: 1. Database creation syntax: CREATEDATABASEname [ [WITH] [ OWNER [=] user_name ] [ TEMPLATE [=] template ] [ ENCODING [=] encoding ] [ LC_COLLATE [=] lc_collate ] [ LC_CTYPE [=] lc_ctype ] ...
The column name should be self-explanatory. PostgreSQL Data Types The data type can be any of the following: boolean: Use "boolean" or "bool" to declare a true or false value. character values char: holds a single character char (#): holds # number of characters. Spaces will...
Today, in PostgreSQL, we will be learning how to use UTC current time as the default time in our tables in PostgreSQL. UTC stands for COORDINATED UNIVERSAL TIME. It is the UNIVERSAL method of regulating clocks and time worldwide. Local Time Zones have time specified only for a certain locat...
How to Add an Index How to Remove a Not Null Constraint How to Add a Not Null Constraint How to Remove a Default Value From a Column How to Add a Default Value How to Change a Column Name How to Add a Column How to Duplicate a Table How to Truncate a Table How to Rename a Tabl...
PostgreSQL statement’s execution means the PostgreSQL aliases are used to rename a column or a table in a specific PostgreSQL query. Hence the actual table name or column name does not change in the database. We generally use the temporary names while performing self join on the table to ...