Can you ALTER VIEW in PostgreSQL?

ALTER VIEW changes various auxiliary properties of a view. (If you want to modify the view’s defining query, use CREATE OR REPLACE VIEW .) You must own the view to use ALTER VIEW . To change a view’s schema, you must also have CREATE privilege on the new schema.

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How do I view a specific table in PostgreSQL?

Use the \dt or \dt+ command in psql to show tables in a specific database. Use the SELECT statement to query table information from the pg_catalog.

How do I alter a table in PostgreSQL?

The syntax to modify a column in a table in PostgreSQL (using the ALTER TABLE statement) is: ALTER TABLE table_name ALTER COLUMN column_name TYPE column_definition; table_name. The name of the table to modify.

How do I change the view name in PostgreSQL?

Notes. Some variants of ALTER TABLE can be used with views as well; for example, to rename a view it is also possible to use ALTER TABLE RENAME. To change the schema or owner of a view, you currently must use ALTER TABLE.

How to rename a table in PostgreSQL?

In the DATABASES section of the cPanel home screen,click PostgreSQL Databases :

Under Current Databases,locate the database you want to rename.

In the Actions column,click Rename: The Rename Database dialog box appears.

In the New name text box,type the new name for the database:

Click Proceed.

How to truncate a table in PostgreSQL?

Before you can truncate a table,you must have the necessary privileges such as TRUNCATE.

The DELETE triggers for the table do not fire during the truncation.

You can not truncate a table that is referenced by a foreign key unless all tables in the foreign key relationship are listed in the TRUNCATE command.

How do I change a table column in PostgreSQL?

– First, specify the name of the table to which the column you want to change belong in the ALTER TABLE clause. – Second, give the name of column whose data type will be changed in the ALTER COLUMN clause. – Third, provide the new data type for the column after the TYPE keyword.

How to change the privileges of a table in PostgreSQL?

privilege − values could be: SELECT,INSERT,UPDATE,DELETE,RULE,ALL.

object − The name of an object to which to grant access. The possible objects are: table,view,sequence

PUBLIC − A short form representing all users.

GROUP group − A group to whom to grant privileges.

username − The name of a user to whom to grant privileges.