IBM C2090-730 : DB2 9 Family Fundamentals

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IBM C2090-730 Exam Syllabus Topics:

IBM DB2 9 Family Fundamentals Sample Questions:

Question 1

Which of the following is true about XML columns?

A. OnlyXQuery can be used to retrieve an XML document from an XML column
B. In order to access any portion of an XML document stored in an XML column, the entire document must be retrieved
C. XML columns must be altered to accommodate additional parent/child relationships if they are used in referential constraints
D. XML columns are used to store XML documents as a hierarchical set of entities

Question 2

If the following SQL statement is executed:
CREATE TABLE sales
(invoice_no NOT NULL PRIMARY KEY,
sales_date DATE,
sales_amt NUMERIC(7,2))
IN tbsp0, tbsp1, tbsp2, tbsp3
PARTITION BY RANGE (sales_date NULLS FIRST)
(STARTING '1/1/2007' ENDING '12/31/2007'
EVERY 3 MONTHS)
Which of the following statements is true?

A. If an index is created for the SALES table, its data must be stored in table space TBSP0
B. When resolving queries against the SALES table, each partition used is scanned asynchronously and the results of each partition scan are merged to produce the result data set returned
C. Data can be quickly rolled in and out of the SALES table by using the ATTACH PARTITION and DETACH PARTITION clauses of the ALTER TABLE statement
D. Administrative tasks such as backing up, restoring, and reorganizing data stored in the SALES table must be done at the table level; not at the partition level

Question 3

If table TAB1 is created using the following statement:
CREATE TABLE tab1 (col1 INTEGER NOT NULL,
col2 CHAR(5),
CONSTRAINT cst1 CHECK (col1 in (1, 2, 3)))
Which of the following statements will successfully insert a record into table TAB1?

A. INSERT INTO tab1 VALUES (DEFAULT, 'abc')
B. INSERT INTO tab1 VALUES (NULL, 'abc')
C. INSERT INTO tab1 VALUES (0, 'abc')
D. INSERT INTO tab1 VALUES (ABS(2), 'abc')

Question 4

Two applications have created a deadlock cycle in the locking subsystem. If lock timeout is set to 30 and both applications were started at the same time, what action will the deadlock detector take when it "wakes up" and discovers the deadlock?

A. It will go back to sleep for 30 seconds, then if the deadlock still exists, it will randomly pick an application and rollback its current transaction
B. It will randomly pick an application and rollback its current transaction
C. Itwill rollback the current transactions of both applications
D. It will wait 30 seconds, then rollback the current transactions of both applications if the deadlock has not been resolved

Question 5

Which of the following best describes the difference between the DB2 Spatial Extender and the DB2 Geodetic Extender?

A. The DB2 Geodetic Extender can be used to manage information like the locations of office buildings or the size of a flood zone; the DB2 Spatial Extender can be used for calculations and visualizations in disciplines like military command/control and asset management, meteorology and oceanography
B. The DB2 Spatial Extender uses a latitude-longitude coordinate system; the DB2 Geodetic Extender uses a planar, x- and y-coordinate system
C. The DB2 Spatial Extender treats the world as a flat map; the DB2 Geodetic Extender treats the world as a round globe
D. The DB2 Geodetic Extender is used to describe points, lines, and polygons; the DB2 Spatial Extender is used to find area, endpoints, and intersects

Solutions: