October 2002
Beginner
864 pages
18h 41m
English
Content preview from Sams Teach Yourself SQL in 21 Days, Fourth Edition
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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 ... |
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