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- Question
Triggers are stored blocks of code that have to be called in order to operate.
Options- A. True
- B. False
- Correct Answer
- False
- 1. The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join.
Options- A. True
- B. False Discuss
- 2. With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible.
Options- A. True
- B. False Discuss
- 3. When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement.
Options- A. True
- B. False Discuss
- 4. A function returns one value and has only output parameters.
Options- A. True
- B. False Discuss
- 5. The code to create triggers and routines is stored in only one location and is administered centrally.
Options- A. True
- B. False Discuss
- 6. ROLLBACK WORK asks SQL to empty the log file.
Options- A. True
- B. False Discuss
- 7. The UNION clause is used to combine the output from multiple queries together into a single result table.
Options- A. True
- B. False Discuss
- 8. Subqueries can be nested multiple times.
Options- A. True
- B. False Discuss
- 9. Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table.
Options- A. True
- B. False Discuss
- 10. Both ASP and ColdFusion allow for the coding of custom tags within an HTML document.
Options- A. True
- B. False Discuss
Advanced SQL problems
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Correct Answer: False
Correct Answer: True
Correct Answer: True
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Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: False
Correct Answer: True
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