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A. Object
B. Network
C. Relational
D. Hierarchical
D. Multi-dimensional
700-2真题
C 1. Which of the following tools can be used to identify inefficient(效率低的) SQL statements without executing them?
A. QMF
B. Task Center
C. Visual Explain//可视化解释器
D. Development Center
D 2. USERA needs to be able to read rows from TAB1 and add new rows to TAB1. Which of the following statements will give USERA only the needed privileges(特权)?
A. GRANT SELECT ON TABLE tab1 TO usera
B. GRANT SELECT, ALTER ON TABLE tab1 TO usera
C. GRANT ALL PRIVILEGES ON TABLE tab1 TO usera
D. GRANT SELECT, INSERT ON TABLE tab1 TO usera
?B 3. Given the statement:
CREATE TABLE t1
(C1 CHAR (3)
CONSTRAINT c1
CHECK (c1 IN ('A01','B01','C01'))
)
DB2 verifies that the table checks constraint is met during which of the following actions?
A. Reorganizing the table.
B. Updating any row in the table.
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TAG标签 : 题库 答案 c1 INT selected. SELECT NULL 1record c2
