Which constraint type specifies that a column contains column values from another table?

In SQL Server 2012 and later versions, the sysadmin password requires at least 8 characters and which of the following character types?

What are the three Transact-SQL statements that are related to authorization?

In database mirroring, an instance can be a mirror in some mirroring sessions and a witness in other mirroring sessions.

A stored procedure can recursively call itself.

A table can have more than one primary key.

Which of the following commands is used to connect to a named instance of SQL Server using the sqlcmd utility of SQL Server?

Which of the following is the correct order of steps to be followed while using the Transparent Data Encryption security feature of SQL Server 2008?

Which of the following values specifies that each instance of the XML data type in column_name can contain multiple top-level elements?

What is the maximum number of columns that can be combined into a single composite index key?

Which of the following data types can be specified as SPARSE?