IBM A2090-730 : Assessment: DB2 9 Family Fundamentals

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IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Given the following statement:
CREATE TABLE tab1
(col1 SMALLINT NOT NULL PRIMARY KEY,
col2 VARCHAR(200) NOT NULL WITH DEFAULT NONE,
col3 DECIMAL(5,2) CHECK (col3 >= 100.00),
col4 DATE NOT NULL WITH DEFAULT)
Which of the following definitions will cause the CREATE TABLE statement to fail?

A) COL3
B) COL2
C) COL4
D) COL1

2. Which of the following is NOT a characteristic of an OLTP database?

A) Current data
B) Granular transactions
C) Optimized for queries
D) Frequent updates

3. Given the following UPDATE statement:
UPDATE employees SET workdept =
(SELECT deptno FROM department WHERE deptno = 'A01')
WHERE workdept IS NULL
Which of the following describes the result if this statement is executed?

A) The statement will fail because an UPDATE statement cannot contain asubquery.
B) The statement will only succeed if every record in the EMPLOYEES table has a null value in the WORKDEPT column.
C) The statement will succeed; if the data retrieved by thesubquery contains multiple records, only the first record will be used to perform the update.
D) The statement will only succeed if the data retrieved by thesubquery does not contain multiple records.

4. A UDT is a data type which:

A) is created using the CREATE DISTINCT command.
B) cannot be CAST to other data types.
C) contains a value that was automatically calculated from values in other columns.
D) must contain unique values.

5. Which of the following will DELETE all of the rows from table T03?

A) DELETE * FROM TABLE T03
B) DELETE * FROM T03
C) DELETE ALL FROM T03
D) DELETE FROM T03

Solutions: