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Use the ALTER TABLE statement to alter the definition of a nonpartitioned table, a partitioned table, a table partition, or a table subpartition. For object tables or relational tables with object columns, use ALTER TABLE to convert the table to the latest definition of its referenced type after the type has been altered.
To rename a table, you use the following Oracle RENAME table statement as follows: RENAME table_name TO new_name; Code language: SQL (Structured Query Language) (sql) In the RENAME table statement: First, specify the name of the existing table which you want to rename. Second, specify the new table name.
To change the data type of a column in a table, use the following syntax: SQL Server / MS Access: ALTER TABLE table_name. ALTER COLUMN column_name datatype; My SQL / Oracle (prior version 10G): ALTER TABLE table_name. MODIFY COLUMN column_name datatype; Oracle 10G and later: ALTER TABLE table_name.
This tutorial shows you how to use Oracle ALTER TABLE statement to alter table structure e.g., add, modify, rename or remove columns and rename a table.
Use the RENAME statement to rename a table, view, sequence, or private synonym. Oracle Database automatically transfers integrity constraints, indexes, and grants on the old object to the new object. Oracle Database invalidates all objects that depend on the renamed object, such as views, synonyms, and stored procedures and functions that refer ...
Use the rename_table_partition clause to rename a table partition or subpartition current_name to new_name. For both partitions and subpartitions, new_name must be different from all existing partitions and subpartitions of the same table.
To RENAME A TABLE, the Oracle ALTER TABLE syntax is: ALTER TABLE table_name RENAME TO new_table_name; Example. Let's look at an example that shows how to rename a table in Oracle using the ALTER TABLE statement. For example: ALTER TABLE customers RENAME TO contacts; This Oracle ALTER TABLE example will rename the customers table to contacts.
