Constraint Using ALTER TABLE
In our post “I/O Constraint” and “Business Constraints” we had seen how we can add constraints at the time of table creation using Create table command. If you have not read ourRead More…
Tag Archives: alter-table
ALTER TABLE
ALTER TABLE command is used to modify table structure. We can add new column, remove existing column or change data type and size by using alter table command. If records are availableRead More…