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【单选题】

()refers to the depth of a vessel below the waterline,measured vertically to the lowest part of the hull,propellers or other reference points.

A、Free board

B、Stability height

C、Metacentric height

D、Draft

更多“()refers to the depth of a vessel below the waterline,measured vertically to the lowest part of the hull,propellers or other reference points.”相关的问题
第1题

A、Use the DESCRIBE command in the EMP_DEPT VU view.  B、Use the DEFINE VIEW command on the EMP_DEPT VU view.  C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view.  D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.  E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.  F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.  

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第2题

A、Use the DESCRIBE command in the EMP_DEPT VU view.  B、Use the DEFINE VIEW command on the EMP_DEPT VU view.  C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view.  D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.  E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.  F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.  

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第3题

A、Use the DESCRIBE command in the EMP_DEPT VU view.  B、Use the DEFINE VIEW command on the EMP_DEPT VU view.  C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view.  D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.  E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.  F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.  

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第4题

A、A.Use the DESCRIBE command on the EMP_DEPT_VU view.  B、B.Use the DEFINE VIEW command on the EMP_DEPT_VU view.  C、C.Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.  D、D.Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.  E、E.Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.  F、F.Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.  

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第5题

A、GRANT select ON dept TO ALL_ USER;  B、GRANT select ON dept TO ALL;  C、GRANT QUERY ON dept TO ALL_USERS  D、GRANT select ON dept TO PUBLIC;  

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第6题

A、GRANT select ON dept TO ALL_ USER;  B、GRANT select ON dept TO ALL;  C、GRANT QUERY ON dept TO ALL_USERS  D、GRANT select ON dept TO PUBLIC;  

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第7题

A、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) NOT NULL CONSTRAINT emp_deptno_fk FOREIGN KEY deptno REFERENCES dept deptno);  B、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));  C、CREATE TABLE EMP (empno NUMBER(4) ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk REFERENCES dept (deptno) FOREIGN KEY (deptno));  D、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) FOREIGN KEY CONSTRAINT emp deptno fk REFERENCES dept (deptno));  

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第8题

A、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) NOT NULL CONSTRAINT emp_deptno_fk FOREIGN KEY deptno REFERENCES dept deptno);  B、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));  C、CREATE TABLE EMP (empno NUMBER(4) ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk REFERENCES dept (deptno) FOREIGN KEY (deptno));  D、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) FOREIGN KEY CONSTRAINT emp deptno fk REFERENCES dept (deptno));  

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第9题

A、A.This Sentence refers to the validity of the Certificate  B、B.This Sentence refers to the time of the Certificate  C、C.This Sentence refers to the date of the Certificate  D、D.This Sentence refers to the issue of the Certificate  

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第10题

A、CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk FOREIGN KEY deptno REFERENCES dept deptno);  B、CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));  C、CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk REFERENCES dept (deptno) FOREIGN KEY (deptno));  D、CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) FOREIGN KEY CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));  

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