Examine the description of the CUSTOMERS table: Name Null? Type CUSTOMER ID NOT NULL NUMBER (38) CUSTOMER_ NAME NOT NULL ...
Examine the description of the CUSTOMERS table: Name Null? Type CUSTOMER ID NOT NULL NUMBER (38) CUSTOMER_ NAME NOT NULL ...
Examine the BRICKS table: COLOUR SHAPE WE IGHT --------------------------- Red cube 5 Red cylinder 10 Blue cube 15 Blue ...
Examine the ORDER _ITEms table: Name Null? Type ORDER_ ID NOT NULL NUMBER (38) PRODUCT_ ID NOT NULL NUMBER (38) QUANTITY ...
Examine thee statements which execute successfully: CREATE USER finance IDENTIFIED BY pwfin; CREATE USER fin manager IDENTIETED BY pwmgr; CREATE USER fin. Clerk IDENTIFIED BY pwclerk; GRANT CREATE SE ...
Examine this statement which executes successfully: CREATE view emp80 AS SELECT FROM employees WHERE department_ id = 80 WITH CHECK OPTION; Which statement will violate the CHECK constraint? A) DELETE ...
Which two queries execute successfully? A) SELECT INTERVAL '1' DAY - SYSDATE FROM DUAL; B) SELECT SYSTIMESTAMP + INTERVAL '1' DAY FROM DUAL; C) SELECT INTERVAL '1' DAY - INTERVAL '1' MINUTE FROM DUAL; ...
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VNC (Virtual Network Computing)是虚拟网络计算机的缩写。VNC是一款优秀的远程控制工具软件,由著名的AT&T的欧洲研究实验室开发的。VNC是在基于UNIX和Linux操作系统的免费的开放源码软件,远程控制能力强大,高效实 ...