When using logical (truth value) operations, how many logical results are there and what are they?

Which statement can be used to encrypt data in SQL?

Other things being equal, which queries are the fastest?

With SQL, how do you select all the records from a table named "Companys" where the value of the column "Name" ends with an "d"?

When an aliases is used to rename a table in a particular SQL statement. The actual table name in the database is also renamed?

How to create indexes?

What is T/SQL?

How many Oracle installations does it take to execute a query?

what listing does represent a form of SQL

what keyword below can replace NOT EXIST in SQL

Which of the following cannot be used in a subquery?