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- Question
The SQL -92 wildcards are ____ and ____ .
Options- A. asterisk (*); percent sign (%)
- B. percent sign (%); underscore (_)
- C. underscore(_); question mark (?)
- D. question mark (?); asterisk (*)
- Correct Answer
- percent sign (%); underscore (_)
- 1. The wildcard in a WHERE clause is useful when?
Options- A. An exact match is necessary in a SELECT statement.
- B. An exact match is not possible in a SELECT statement.
- C. An exact match is necessary in a CREATE statement.
- D. An exact match is not possible in a CREATE statement. Discuss
- 2. ON UPDATE CASCADE ensures which of the following?
Options- A. Normalization
- B. Data Integrity
- C. Materialized Views
- D. All of the above. Discuss
- 3. The Microsoft Access wildcards are ____ and ____ .
Options- A. asterisk (*); percent sign (%)
- B. percent sign (%); underscore (_)
- C. underscore(_); question mark (?)
- D. question mark (?); asterisk (*) Discuss
- 4. SQL data definition commands make up a(n) ________ .
Options- A. DDL
- B. DML
- C. HTML
- D. XML Discuss
- 5. A subquery in an SQL SELECT statement is enclosed in:
Options- A. braces -- {...}.
- B. CAPITAL LETTERS.
- C. parenthesis -- (...) .
- D. brackets -- [...]. Discuss
- 6. Which of the following are the five built-in functions provided by SQL?
Options- A. COUNT, SUM, AVG, MAX, MIN
- B. SUM, AVG, MIN, MAX, MULT
- C. SUM, AVG, MULT, DIV, MIN
- D. SUM, AVG, MIN, MAX, NAME Discuss
- 7. Find the SQL statement below that is equal to the following: SELECT NAME FROM CUSTOMER WHERE STATE = 'VA';
Options- A. SELECT NAME IN CUSTOMER WHERE STATE IN ('VA');
- B. SELECT NAME IN CUSTOMER WHERE STATE = 'VA';
- C. SELECT NAME IN CUSTOMER WHERE STATE = 'V';
- D. SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA'); Discuss
- 8. Which of the following is valid SQL for an Index?
Options- A. CREATE INDEX ID;
- B. CHANGE INDEX ID;
- C. ADD INDEX ID;
- D. REMOVE INDEX ID; Discuss
- 9. To sort the results of a query use:
Options- A. SORT BY.
- B. GROUP BY.
- C. ORDER BY.
- D. None of the above is correct. Discuss
- 10. The benefits of a standard relational language include which of the following?
Options- A. Reduced training costs
- B. Increased dependence on a single vendor
- C. Applications are not needed.
- D. All of the above. Discuss
Introduction to SQL problems
Search Results
Correct Answer: An exact match is not possible in a SELECT statement.
Correct Answer: Data Integrity
Correct Answer: question mark (?); asterisk (*)
Correct Answer: DDL
Correct Answer: parenthesis -- (...) .
Correct Answer: COUNT, SUM, AVG, MAX, MIN
Correct Answer: SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA');
Correct Answer: CREATE INDEX ID;
Correct Answer: ORDER BY.
Correct Answer: Reduced training costs
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