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You can rename an existing column in a base table to a new name without losing stored data or affecting any privileges or label-based access control (LBAC) policies that are associated with the table.
With mysqli object oriented interface you can use the following to rename your table $sql = "RENAME TABLE OldName TO NewName"; //if the query is successful if ($conn->query($sql) === TRUE) { echo "Table renamed successfully"; } //If something goes wrong else { echo "Error creating table: " . $conn->error; }
To change the name of an existing table to a new one, you use the RENAME TABLE statement. Here is the syntax of the RENAME TABLE statement: RENAME TABLE table_name TO new_table_name; Code language: SQL (Structured Query Language) (sql) In this syntax:
The RENAME TABLE statement returns an error if the target table is referenced in a view definition or an SQL table function, unless the RENAMETABLE subsystem parameter is set to ALLOW_DEP_VIEW_SQLTUDF.
This tutorial shows you how to rename a table in the database using the MySQL RENAME TABLE or ALTER TABLE statement.
Db2 ALTER TABLE ALTER COLUMN allows you to modify the definitions of the existing columns in a table. The following illustrates the syntax of the ALTER TABLE ALTER COLUMN statement: ALTER TABLE table_name. ALTER COLUMN column_name. modification_type; Code language: SQL (Structured Query Language) (sql) In this syntax:
if you want to rename a table in the same schema, you can use like this. RENAME TABLE schema.table_name TO "new_table_name"; Otherwise, you can use tools like DBeaver to rename or copy tables in a db2 db.
