()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
A、Free board
B、Stability height
C、Metacentric height
D、Draft
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.
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.
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.
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.
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;
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;
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));
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));
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
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));