Add an INVISIBLE column or modify an existing column to be INVISIBLE alter_table_properties Use the alter_table_clauses to modify a database table physical_attributes_clau se The physical_attributes_clause lets you change the value of the PCTFREE, PCTUSED, and INITRANS parameters and storage characteristicsTo rename a column, you use the ALTER TABLE RENAME COLUMN command, which is detailed belowLearn how to use SQL ALTER TABLE statement with the explained example of this tutorial Add, delete or modify the table columns using the SQL ALTER TABLE statement You can add more columns to the table or you can change the name of the columnIn addition to this, you can also delete the column using the SQL ALTER TABLE statement Mysql Alter Table Add Drop And Modify Column Techstrikers Com Alter table modify column oracle example