The transaction for user A is rolled back.
The ALTER TABLE command modifies the column successfully.
The ALTER TABLE command fails due to the resource being busy.
The ALTER TABLE command waits until user A ends the transaction.
第1题:
A. The job is enabled by default after creation
B. The job is automatically dropped after the end date
C. The job executes with the privileges of the user SYS
D. The globalization environment that exists at the time of the job creation prevails at the job runs
第2题:
A.Table
B.Columns
C.Table and Alias
D.Columns and Alias
第3题:
A. The job is enabled by default after creation
B. The job is automatically dropped after the end date
C. The job executes with the privileges of the user SYS
D.
第4题:
A user utilizing an alias to update a subset of columns in a table must have UPDATE privileges on which of the following DB2 objects?()
第5题:
Given this fragment in a servlet: 23.if(req.isUserInRole("Admin")) { 24.// do stuff 25.} And the following fragment from the related Java EE deployment descriptor: 812.
第6题:
A. Update the configuration logs
B. Update the network wiring schematics
C. Update the network configuration procedures
D. Compare the configuration with the baseline
第7题:
A.CONTROL
B.UPDATE
C.USAGE
D.ALTER
第8题:
View the Exhibit for some of the current parameter settings. A user logs in to the HR schema and issues the following commands:SQL> CREATE TABLE emp(empno NUMBER(3),ename VARCHAR2(20),sal NUMBER(8,2));SQL> INSERT INTO emp(empno,ename) VALUES(1,‘JAMES‘);At this moment, a second user also logs in to the HR schema and issues the following command:SQL> ALTER TABLE emp MODIFY sal NUMBER(10,2);What happens in the above scenario?()
A. The second user‘s session immediately produces the resource busy error.
B. The second user‘s command executes successfully.
C. The second user‘s session waits for a time period before producing the resource busy error.
D. A deadlock is created.
第9题:
Which of the following should an administrator do after running a command from the console onthe perimeter router?()
第10题:
A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_seq START WITH 5 INCREMENT BY 5 CACHE 5 User1 successfully executes the following statements in Connection1: VALUES NEXT VALUE FOR my_seq INTO :con1hvar VALUES NEXT VALUE FOR my_seq INTO :con1hvar User2 successfully executes the following statement in Connection2: VALUES NEXT VALUE FOR my_seq INTO :con2hvar After User1 & User2 are finished, User3 executes the following statement in Connection3: SELECT NEXT VALUE FOR my_seq FROM sysibm.sysdummy1Which value will be returned by the query?()