View the following SQL statements: You want to back out transaction T2. Which option would you use?（）
1、Which of the following statements can
Which of the following statements can best be inferred from the passage?A Fishes only "speak" to communicate with each other.B Researches are n...
2、Which of the following statements desc
Which of the following statements describes the functions of a reservoir used in a hydraulic system?（）ADissipate heatBTrap foreign matterCSeparate air from the oilDAll of the above
3、Which of the following statements conc
Which of the following statements concerning fire-tube boilers is correct?（）ACombustion gases flow through the tubesBFlames impinge on the tubesCCombustion occurs in the tubesDWater flows through the tube
4、A view is created with the following s
A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3, col4 FROM t1 WHERE col4 > 1000 WITH CHECK OPTIONWha...
5、Which of the following statement rela
Which of the following statement related to PMO is not correct?（）AThe specific form, function, and structure of a PMO are dependent upon the...
6、A view is created with the following s
A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 > 1000 ; When will DB2 access t...