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In a SQL Server, two types of indexes exist; Clustered and non-clustered ... “ID” and we have not created any index on the table. Creating a table named “Employee” with ID as the primary key You can ...
Here is an example of creating a table called CUSTOMER with a primary key on the column CUST_ID using the inline method ... To create a SQL DB2 table with primary and foreign keys, use the ...
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 ...
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 ...
A table is identified by its name. A table is made up of columns and rows. Columns contain the column name and data type. Rows contain the records or data for the columns. Each record has a unique ...
Often, primary keys are less obvious and it is necessary to create a unique ... the primary key used to identify each member of staff in the teacher table is Staff ID. A foreign key is a primary ...
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