Difference Between DDL and DML
Below DDL statement is used to create a table. create table tbl_employee ( id int not null, firstName varchar(30), department varchar(30), primary key(id) ); Alter command can be used to add columns, modify existing columns and to drop columns. An example to add a new column payment to the table tbl_employee is as follows. alter table tbl_employee add payment numeric (4,2); Below statement can ... ................
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