题目

在powerpoint2010中提供了左对齐,右对齐,(),(),()5种对齐方式。

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The session of user SCOTT receives the following error after executing an UPDATE command on the EMPtable: ERROR at line 1: ORA-00060: deadlock detected while waiting for resource On investigation, you find that a session opened byuser JIM has a transaction that caused the deadlock.  Which two statements are true regarding the session ofSCOTT in this scenario()

A

The session is terminated after receiving the error and JIM can continue with his transaction.

B

SCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.

C

The session is rolled back after receiving the error and JIM can continue with his transaction.

D

SCOTT has to reexecute the last command in the transaction after he commits the transaction.

Which of the following connector types is used on CAT5e cable?()

A、RJ-45

B、ST

C、RJ-11

D、BNC

frameset的含义是()。

A、表单

B、表格

C、链接

D、框架集

The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command:  SQL> GRANT SELECT,INSERT,UPDATE ON emp TO scott WITH GRANT OPTION; The user SCOTT executes this command to grant privileges to the user JIM: SQL> GRANT SELECT,INSERT,UPDATE ON hr.emp TO jim;  Now, the user HR decides to revoke privileges from JIM using this command: SQL> REVOKE SELECT,INSERT,UPDATE ON emp FROM jim; Which statement is true after HR issues the REVOKE command()

A、The command fails because SCOTT still has privileges.

B、The command succeeds and privileges are revoked from JIM.

C、The command fails because HR cannot revoke the privileges from JIM.

D、The command succeeds and only HR has the privilege to perform the SELECT, INSERT, and UPDATEoperations on the EMP table.

人(手)孔型式包括()。

A、直通型

B、斜通型

C、三通型

D、四通型

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