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1493 浏览

A constraint is defined as INITIALLY IMMEDIATE but is DISABLED. You attempt to ENABLE VALIDATE the constraintWhich two are true?

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1448 浏览

Which three are true about lock ownership and contention in an Oracle database server?

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2003 浏览

Which three statements are true regarding B-tree indexes?

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1264 浏览

Which three statements are true about temporary tables?

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1195 浏览

Examine the following statement:SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE;Which three statements are true?

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1215 浏览

You successfully execute these commands: CONNECT system/oracle@prodl ;CREATE DATABASE LINK db_prod2 USING 'PROD2' ;Which type of database link is created?

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1486 浏览

OSPF协议分层结构的优点是____

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2012 浏览

下列哪些要素是路由表中存在，而FIB表中没有的？

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1956 浏览

两台路由器无法建立OSPF邻居，以下可能的原因有

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996 浏览

关于OSPF协议和RIPv2协议的比较，以下说法正确的是

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