sql alter table change column type code example

Example 1: sql change column types

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

-- Example
ALTER TABLE product
ALTER COLUMN description VARCHAR(250);

Example 2: sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Example 3: alter table query sql server change column

ALTER TABLE table_name
  ALTER COLUMN column_name column_type;

Example 4: modify column name in tsql

sp_rename 'table_name.old_column', 'new_name', 'COLUMN';

Tags:

Sql Example

Related