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How To Use PRIMARY KEY Constraint In SQL

In this article, we will learn how to use the Primary Key constraint in SQL. The PRIMARY KEY constraint is…

5 years ago

How To Use UNIQUE Constraint In SQL

In this article, we will learn how to use the UNIQUE constraint in SQL. The UNIQUE constraint is used to…

5 years ago

How To Use NOT NULL Constraint In SQL

In this article, we will learn how to use the NOT NULL constraint in SQL. A column can hold NULL…

5 years ago

How To Alter Table Using Query In SQL

In this article, we will learn how to use the ALTER TABLE statement in SQL. To add or delete or…

5 years ago

How To Use TRUNCATE TABLE Statement In SQL

In this article, we will learn how to use the TRUNCATE TABLE statement in SQL. To delete the data inside…

5 years ago

How To Delete/Drop Table Using Query In SQL

In this article, we will learn how to delete/drop a Table using SQL query. To drop an existing table in…

5 years ago

How To Create Table Using Query In SQL

In this article, we will learn how to create a Table using SQL query. To create a new table in…

5 years ago