搜题
用户您好， 请在下方输入框内搜索其它题目：
搜题
题目内容 （请给出正确答案）
提问人：网友 发布时间：
【单项选择题】

Evaluate the set of SQL statements:<br /> <img src="https://img.ppkao.com/2018-08/yiyu/201808011518065034.jpg" /><br /> What is true about the set?（）<p> Evaluate the set of SQL statements:<br /> <img src="https://img.ppkao.com/2018-08/yiyu/201808011518065034.jpg" /><br /> What is true about the set?（）</p>

A、A. The DESCRIBE DEPT statement displays the structure of the DEPT table.

B、B. The ROLLBACK statement frees the storage space occupies by the DEPT table.

C、C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.

D、D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.

查看正确答案
更多“Evaluate the set of SQL statements:<br /> <img src="https://img.ppkao.com/2018-08/yiyu/201808011518065034.jpg" /><br /> What is true about the set?（）<p> Evaluate the set of SQL statements:<br /> <img src="https://img.ppkao.com/2018-08/yiyu/201808011518065034.jpg" /><br /> What is true about the set?（）</p>”相关的问题
第1题
[单选题] Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCHAR2(14), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT What is true about the set?（）

A、The DESCRIBE DEPT statement displays the structure of the DEPT table.  B、The ROLLBACK statement frees the storage space occupied by the DEPT table.  C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.  D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.  

点击查看答案
第2题
[单选题] Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCHAR2(14), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT What is true about the set?（）

A、The DESCRIBE DEPT statement displays the structure of the DEPT table.  B、The ROLLBACK statement frees the storage space occupied by the DEPT table.  C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.  D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.  

点击查看答案
第3题
[单选题] Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCHAR2(14), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT What is true about the set?（）

A、The DESCRIBE DEPT statement displays the structure of the DEPT table.  B、The ROLLBACK statement frees the storage space occupied by the DEPT table.  C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.  D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.  

点击查看答案
第4题
[单选题] Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT What is true about the set?（）

A、The DESCRIBE DEPT statement displays the structure of the DEPT table.  B、The ROLLBACK statement frees the storage space occupies by the DEPT table.  C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.  D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.  

点击查看答案
第5题
[单选题] Evaluate the following command: SQL>ALTER SYSTEM SET db_securefile = 'IGNORE'; What is the impact of this setting on the usage of SecureFiles?（）

A、It forces BasicFiles to be created even if the SECUREFILE option is specified to create the LOB  B、It forces SecureFiles to be created even if the BASICFILE option is specified to create the LOB  C、It does not allow the creation of SecureFiles and generates an error if the SECUREFILE option is specified to create the LOB  D、It ignores the SECUREFILE option only if a Manual Segment Space Management tablespace is used and creates a BasicFile  

点击查看答案
第6题
[单选题] I believe that only in the purifying fire of sacrifice（）and the greatness of human soul（）.

A、is the dross of selfishness consumed； set free  B、the dross of selfishness is consumed； setting free  C、is the dross of selfishness consuming； sets free  

点击查看答案
第7题
[单选题] Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?（）

A、The period of time in which the set point and the control point coincide  B、The periodic change between the set point and the control point  C、The variable difference between the set point and the control point  D、The constant difference between the set point and the control point  

点击查看答案
第8题
[多选题] A redaction policy was added to the SAL column of the SCOTT.EMP table: All users have their default set of system privileges. For which three situations will data not be redacted?（）

A、SYS sessions, regardless of the roles that are set in the session  B、SYSTEM sessions, regardless of the roles that are set in the session  C、SCOTT sessions, only if the MGR role is set in the session  D、SCOTT sessions, only if the MGR role is granted to SCOTT  E、SCOTT sessions, because he is the owner of the table  F、SYSTEM session, only if the MGR role is set in the session  

点击查看答案
第9题
[单选题] You are developing a Windows Communication Foundation (WCF) service. The service needs to access out-of-process resources.You need to ensure that the service accesses these resources on behalf of the originating caller. What should you do?（）

A、Set the value of ServiceSecurityContext.Current.WindowsIdentity.ImpersonationLevel to TokenlmpersonationLevel.Impersonation  B、Set the value of ServiceSecurityContext.Current.Windowsldentity.ImpersonationLevel to TokenlmpersonationLevel.Delegation  C、Set the PrincipalPermissionAttribute on the service contract and update the binding attribute in the endpoint element of the configuration file to wsHttpBinding  D、Set the PnncipalPermissionAttribute on the service contract and update the bindingConfiguration attribute in the endpoint element of the configuration file to wsHttpBinding  

点击查看答案
账号：
答题记录 我的收藏 我的题库
客服
TOP

请使用微信扫码支付

订单号：
遇到问题请联系在线客服