Creating a table named “Employee” with ID as the primary key. The above code has created a table named “Employee” with an ID field, a unique identifier as a primary key. Now in this table, a clustered ...

If you are working with SQL DB2, you may need to create tables that have primary and foreign keys to enforce data integrity and establish relationships between different entities.

Define a primary key in the SQL Server Database Engine by using SQL Server Management Studio or Transact-SQL. Creating a new table with a primary key requires CREATE TABLE permission in the database ...

Each record has a unique identifier or primary key. SQL, which stands for Structured Query Language, is used to communicate with a database. Through SQL one can create and delete tables. Here are some ...

When you specify a primary key constraint for a table, the [!INCLUDE ssDE] enforces data uniqueness by automatically creating a unique index for the primary key columns. This index also permits fast ...