edit table columns data type sql code example
Example 1: sql alter column size
ALTER TABLE table_name
ALTER COLUMN column_name datatype;
Example 2: modify column name in tsql
sp_rename 'table_name.old_column', 'new_name', 'COLUMN';
ALTER TABLE table_name
ALTER COLUMN column_name datatype;
sp_rename 'table_name.old_column', 'new_name', 'COLUMN';