A. A must contain all of the characters defined in B
B. A must be Unicode
C. The encoded values in A must match the encoded values in B for all characters defined in B
D. A must be a multibyte character set
E. The encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B
第1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));
第2题
A.Boththecontrolfilesandtheonlineredologfilesareconfiguredproperly.
B.Thecontrolfilesareconfiguredproperly,buttheonlineredologfilesarenotconfiguredproperly.
C.Theonlineredologfilesareconfiguredproperly,butthecontrolfilesarenotconfiguredproperly.
D.Neitherthecontrolfilesnortheonlineredologfilesareconfiguredproperly.
第3题
A.Fixedschedule
B.Inlineschedule
C.Storedschedule
D.Hard-codedschedule
E.Noneoftheabove
第4题
A. WHERE clause WHERE
B. ORDER BY clause
C. BETWEEN clause
D. NLSSORT function
E. NLS_SORT function
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