March 2000
Beginner
464 pages
9h 17m
English
Content preview from Sams Teach Yourself SQL in 24 Hours, Second Edition
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Hour 24, "Extensions to Standard SQL"
Quiz Answers
| 1: | Is SQL a procedural or non-procedural language? |
| A1: | SQL is non-procedural, meaning that the database decides how to execute the SQL statement. The extensions discussed during this hour were procedural. |
| 2: | What are some of the reasons differences in SQL exist? |
| A2: | Differences exist in SQL among the vendors because of storage requirements, advantages over competitors, ease of use, and performance considerations. |
| 3: | What are the three basic operations of a cursor, outside of declaring the cursor? |
| A3: | OPEN, FETCH, and CLOSE. |
| 4: | Procedural or non-procedural: With which does the database engine decide how to evaluate and execute SQL statements? |
| A4: | Non-procedural. |
Exercise Answers
| 1: | Try some research ... |
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