Col4 Job Length –Length of Job in seconds
Which of the following will minimize the disk space allocated to store the records if Job Description has an average length of 65?
A. CREATE TABLE tab1(col1 INT,col2 CHAR(2),col3 CHAR(100),col4 INT)
B. CREATE TABLE tab1(col1 INT ,col2 VARCHAR(2),col3 CHAR(100),col4 INT)
C. CREATE TABLE tab1 (col1 INT, col2 CHAR (2), col3 VARCHAR (100), col4 INT)
D. CREATE TABLE tab1 (col1 INT, col2 VARCHAR (2).col3 VARCHAR (100).col4 INT)
A 6. Which of the following DB2 data types is used to store 50 MB of binary data as a single value?
A. BLOB(二进制大对象)
B. CLOB(字符型大对象)
C. DBCLOB
D. GRAPHIC
B 7. Given the following users and groups with no privileges on table t1:
GroupA GroupB
---------- ---------
user1 user4
user2 user5
user3
Which of the following commands gives all users in the above groups the ability to create a view on table t1?
A. GRANT SELECT ON TABLE t1 TO ALL
B. GRANT SELECT ON TABLE t1 TO PUBLIC
C. GRANT REFEREFCES ON TABLE t1 TO ALL
D. GRANT SELECT ON TABLE t1 TO USER GroupA.GroupB
B 8. Given the following existing user defined functions:
GEN.FN1(INT,CHAR) RETURNS CHAR
GEN.FN1(INT) RETURNS INT
GEN.FN1(CHAR) RETURNS DOUBLE
USERA need to execute GEN.FN1 (INT, CHAR) RETURNS CHAR.
Which of the following statements successfully grants the require privilege?
A. GRANT EXECUTE ON FUNCTION gen.fn1TO usera
B. GRANT EXECUTE ON FUNCTION gen.fn1 (INT, CHAR) TO usera
C. GRANT EXECUTE ON FUNCTION gen.fn1 RETURNS CHAR TO usera
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