Sams Teach Yourself SQL in 21 Days, Fourth Edition

Day 1

Quiz

1:	What makes SQL a nonprocedural language?
A1:	SQL determines what should be done, not how it should be done. The database must implement the SQL request. This feature is a big plus in cross-platform, cross-language development.
2:	How can you tell whether a database is truly relational?
A2:	Apply Dr. Codd's 12 (actually 13) rules.
3:	What can you do with SQL?
A3:	SQL enables you to select, insert, modify, and delete the information in a database; perform system security functions and set user permissions on tables and databases; handle online transaction processing within an application; create stored procedures and triggers to reduce application coding; and transfer data between different databases.
4:	Name the process that separates ...