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which column in the Employee table should you a create a unique constraint?

You administer a Microsoft SQL Server 2012 database. The database contains a table named
Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

Confidential information about the employees is stored in a separate table named EmployeeData.
One record exists within EmployeeData for each record in the Employee table. You need to assign
the appropriate constraints and table properties to ensure data integrity and visibility. On which
column in the Employee table should you a create a unique constraint?

which column in the Employee table should you use an identity specification to include a seed of 1,000 and an

You administer a Microsoft SQL Server 2012 database. The database contains a table named
Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

Unless stated above, no columns in the Employee table reference other tables.
Confidential information about the employees is stored in a separate table named EmployeeData.
One record exists within EmployeeData for each record in the Employee table.
You need to assign the appropriate constraints and table properties to ensure data integrity and
visibility.
On which column in the Employee table should you use an identity specification to include a seed of
1,000 and an increment of 1?

Which Transact-SQL query should you use?

You administer a Microsoft SQL Server 2012 database that includes a table named Products. The
Products table has columns named Productld, ProductName, and CreatedDateTime.
The table contains a unique constraint on the combination of ProductName and CreatedDateTime.
You need to modify the Products table to meet the following requirements:
Remove all duplicates of the Products table based on the ProductName column.
Retain only the newest Products row.
Which Transact-SQL query should you use?

Which Transact-SQL statement should you use?

You develop three Microsoft SQL Server 2012 databases named Database1, Database2, and
Database3.
You have permissions on both Database1 and Database2. You plan to write and deploy a stored
procedure named dbo.usp_InsertEvent in Database3. dbo.usp_InsertEvent must execute other
stored procedures in the other databases.
You need to ensure that callers that do not have permissions on Database1 or Database2 can
execute the stored procedure.
Which Transact-SQL statement should you use?