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The RENAME COLUMN clause is an option on the ALTER TABLE statement. 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.
You can use the RENAME COLUMN in MySQL 8.0 to rename any column you need renamed. ALTER TABLE table_name RENAME COLUMN old_col_name TO new_col_name; ALTER TABLE Syntax: RENAME COLUMN: Can change a column name but not its definition. More convenient than CHANGE to rename a column without changing its definition.
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 )
To rename a column in a table, use the following syntax: ALTER TABLE table_name. RENAME COLUMN old_name to new_name; To rename a column in a table in SQL Server, use the following syntax: SQL Server: EXEC sp_rename 'table_name.old_name', 'new_name', 'COLUMN'; ALTER TABLE - ALTER/MODIFY DATATYPE.
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 )
ALTER TABLE RENAME - Rename Columns. The ALTER command is a DDL command to modify the structure of existing tables in the database by adding, modifying, renaming, or dropping columns and constraints. Use the ALTER TABLE RENAME command to rename column names.
Table Options. table_options signifies table options of the kind that can be used in the CREATE TABLE statement, such as ENGINE, AUTO_INCREMENT, AVG_ROW_LENGTH, MAX_ROWS, ROW_FORMAT, or TABLESPACE.. For descriptions of all table options, see Section 15.1.20, “CREATE TABLE Statement”.However, ALTER TABLE ignores DATA DIRECTORY and INDEX DIRECTORY when given as table options.
