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SQL_21.text
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376 lines (311 loc) · 38.3 KB
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SQL> CREATE TABLE COURSE(
2 CID NUMBER(10) PRIMARY KEY,
3 CNAME VARCHAR(20) NOT NULL,
4 TNAME VARCHAR(20) NOT NULL);
Table created.
SQL> SLECT * FROM COURSE
SP2-0734: unknown command beginning "SLECT * FR..." - rest of line ignored.
SQL> SELECT * FROM TABLE;
SELECT * FROM TABLE
*
ERROR at line 1:
ORA-00906: missing left parenthesis
SQL> SELECT * FROM COURSE;
no rows selected
SQL> INSERT INTO COURSE
2 VALUES(1,'SQL','X');
1 row created.
SQL> INSERT INTO COURSE
2 VALUES(2,'JAVA','Y');
1 row created.
SQL> INSERT INTO COURSE
2 VALUES(2,'CSS','Z');
INSERT INTO COURSE
*
ERROR at line 1:
ORA-00001: unique constraint (SCOTT.SYS_C005491) violated
SQL> INSERT INTO VALUES
2
SQL> INSERT INTO COURSE
2 VALUES(3,'CSS','Z');
1 row created.
SQL> INSERT INTO COURSE
2 VALUES(4,'HTML','A');
1 row created.
SQL> SELECT * FROM COURSE;
CID CNAME TNAME
---------- -------------------- --------------------
1 SQL X
2 JAVA Y
3 CSS Z
4 HTML A
SQL> DESC COURSE;
Name Null? Type
----------------------------------------------------------------------------------------------------------------- -------- ----------------------------------------------------------------------------
CID NOT NULL NUMBER(10)
CNAME NOT NULL VARCHAR2(20)
TNAME NOT NULL VARCHAR2(20)
SQL> SELECT E.ENAME,E.DEPTNO,D.DEPTNO,D.DNAME
2 FROM EMP
3 E JOIN DEPT D
4 ON E.DEPTNO != D.DEPTNO;
ENAME DEPTNO DEPTNO DNAME
---------- ---------- ---------- --------------
SMITH 20 10 ACCOUNTING
ALLEN 30 10 ACCOUNTING
WARD 30 10 ACCOUNTING
JONES 20 10 ACCOUNTING
MARTIN 30 10 ACCOUNTING
BLAKE 30 10 ACCOUNTING
SCOTT 20 10 ACCOUNTING
TURNER 30 10 ACCOUNTING
ADAMS 20 10 ACCOUNTING
JAMES 30 10 ACCOUNTING
FORD 20 10 ACCOUNTING
ALLEN 30 20 RESEARCH
WARD 30 20 RESEARCH
MARTIN 30 20 RESEARCH
BLAKE 30 20 RESEARCH
CLARK 10 20 RESEARCH
KING 10 20 RESEARCH
TURNER 30 20 RESEARCH
JAMES 30 20 RESEARCH
MILLER 10 20 RESEARCH
SMITH 20 30 SALES
JONES 20 30 SALES
CLARK 10 30 SALES
SCOTT 20 30 SALES
KING 10 30 SALES
ADAMS 20 30 SALES
FORD 20 30 SALES
MILLER 10 30 SALES
SMITH 20 40 OPERATIONS
ALLEN 30 40 OPERATIONS
WARD 30 40 OPERATIONS
JONES 20 40 OPERATIONS
MARTIN 30 40 OPERATIONS
BLAKE 30 40 OPERATIONS
CLARK 10 40 OPERATIONS
SCOTT 20 40 OPERATIONS
KING 10 40 OPERATIONS
TURNER 30 40 OPERATIONS
ADAMS 20 40 OPERATIONS
JAMES 30 40 OPERATIONS
FORD 20 40 OPERATIONS
MILLER 10 40 OPERATIONS
42 rows selected.
SQL> SELECT E.ENAME,E.DEPTNO,D.DEPTNO,D.DNAME
2 FROM EMP E JOIN DEPT D
3 ON E.DEPTNO <= D.DEPTNO;
ENAME DEPTNO DEPTNO DNAME
---------- ---------- ---------- --------------
SMITH 20 20 RESEARCH
SMITH 20 30 SALES
SMITH 20 40 OPERATIONS
ALLEN 30 30 SALES
ALLEN 30 40 OPERATIONS
WARD 30 30 SALES
WARD 30 40 OPERATIONS
JONES 20 20 RESEARCH
JONES 20 30 SALES
JONES 20 40 OPERATIONS
MARTIN 30 30 SALES
MARTIN 30 40 OPERATIONS
BLAKE 30 30 SALES
BLAKE 30 40 OPERATIONS
CLARK 10 10 ACCOUNTING
CLARK 10 20 RESEARCH
CLARK 10 30 SALES
CLARK 10 40 OPERATIONS
SCOTT 20 20 RESEARCH
SCOTT 20 30 SALES
SCOTT 20 40 OPERATIONS
KING 10 10 ACCOUNTING
KING 10 20 RESEARCH
KING 10 30 SALES
KING 10 40 OPERATIONS
TURNER 30 30 SALES
TURNER 30 40 OPERATIONS
ADAMS 20 20 RESEARCH
ADAMS 20 30 SALES
ADAMS 20 40 OPERATIONS
JAMES 30 30 SALES
JAMES 30 40 OPERATIONS
FORD 20 20 RESEARCH
FORD 20 30 SALES
FORD 20 40 OPERATIONS
MILLER 10 10 ACCOUNTING
MILLER 10 20 RESEARCH
MILLER 10 30 SALES
MILLER 10 40 OPERATIONS
39 rows selected.
SQL> SELECT E.ENAME,E.DEPTNO,D.DEPTNO,D.DNAME
2 FROM EMP E JOIN DEPT D
3 ON E.DEPTNO >= D.DEPTNO;
ENAME DEPTNO DEPTNO DNAME
---------- ---------- ---------- --------------
SMITH 20 10 ACCOUNTING
SMITH 20 20 RESEARCH
ALLEN 30 10 ACCOUNTING
ALLEN 30 20 RESEARCH
ALLEN 30 30 SALES
WARD 30 10 ACCOUNTING
WARD 30 20 RESEARCH
WARD 30 30 SALES
JONES 20 10 ACCOUNTING
JONES 20 20 RESEARCH
MARTIN 30 10 ACCOUNTING
MARTIN 30 20 RESEARCH
MARTIN 30 30 SALES
BLAKE 30 10 ACCOUNTING
BLAKE 30 20 RESEARCH
BLAKE 30 30 SALES
CLARK 10 10 ACCOUNTING
SCOTT 20 10 ACCOUNTING
SCOTT 20 20 RESEARCH
KING 10 10 ACCOUNTING
TURNER 30 10 ACCOUNTING
TURNER 30 20 RESEARCH
TURNER 30 30 SALES
ADAMS 20 10 ACCOUNTING
ADAMS 20 20 RESEARCH
JAMES 30 10 ACCOUNTING
JAMES 30 20 RESEARCH
JAMES 30 30 SALES
FORD 20 10 ACCOUNTING
FORD 20 20 RESEARCH
MILLER 10 10 ACCOUNTING
31 rows selected.
SQL> CREATE TABLE STUDEMT(
2 SID NUMBER(10) PRIMARY KEY,
3 SNAME VARCHAR(20) NOT NULL,
4 MARKS NUMBER(4,2) NOT NULL,
5 CID NUMBER(10) REFERENCES COURSE(CID));
Table created.
SQL> INSERT INTO STUDENT
2 VALUES(101,'RAM',75,1);
INSERT INTO STUDENT
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> INSERT INTO STUDENT
2 VALUES(101,'RAM',75,NULL);
INSERT INTO STUDENT
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> DESC STUDENT;
ERROR:
ORA-04043: object STUDENT does not exist
SQL> SELECT * FROM TAB;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
DEPT TABLE
BONUS TABLE
SALGRADE TABLE
A TABLE
B1 TABLE
EMP TABLE
B TABLE
COURSE TABLE
STUDEMT TABLE
9 rows selected.
SQL> SELECT * FROM STUDENT;
SELECT * FROM STUDENT
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> DROP TABLE STUDENT;
DROP TABLE STUDENT
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> CREATE TABLE STUDEMT(
2 SID NUMBER(10) PRIMARY KEY,
3 SNAME VARCHAR(20) NOT NULL,
4 MARKS NUMBER(4,2) NOT NULL,
5 CID NUMBER(10) REFERENCES COURSE(CID));
CREATE TABLE STUDEMT(
*
ERROR at line 1:
ORA-00955: name is already used by an existing object
SQL> SELECT * FROM STUDENT;
SELECT * FROM STUDENT
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> DROP TABLE STUDEMT;
Table dropped.
SQL> CREATE TABLE STUDENT(
2 CREATE TABLE STUDEMT(
3 SID NUMBER(10) PRIMARY KEY,
4 SNAME VARCHAR(20) NOT NULL,
5 MARKS NUMBER(4,2) NOT NULL,
6
SQL> CREATE TABLE STUDENT(
2 SID NUMBER(10) PRIMARY KEY,
3 SNAME VARCHAR(20) NOT NULL,
4 MARKS NUMBER(4,2) NOT NULL,
5 CID NUMBER(10) REFERENCES COURSE(CID));
Table created.
SQL> INSERT INTO STUDENT
2 VALUES(101,'RAM',75,1);
1 row created.
SQL> SELECT T1.EMPNO,T2.MGR
2 FROM EMP T1,EMP T2
3 WHERE T1.EMPNO=T2.MGR;
EMPNO MGR
---------- ----------
7902 7902
7698 7698
7698 7698
7839 7839
7698 7698
7839 7839
7839 7839
7566 7566
7698 7698
7788 7788
7698 7698
7566 7566
7782 7782
13 rows selected.
SQL> SELECT E1.ENAME,E1.SALARY,E1.SAL,E2.ENAME
2 FROM EMP E1,EMP E2
3 WHERE E1.MGR=E2.EMPNO AND E1.ENAME='SCOTT';
SELECT E1.ENAME,E1.SALARY,E1.SAL,E2.ENAME
*
ERROR at line 1:
ORA-00904: "E1"."SALARY": invalid identifier
SQL> SELECT E1.ENAME,E1.SAL,E1.JOB,E2.ENAME
2 FROM EMP E1,EMP E2
3 WHERE E1.MGR=E2.EMPNO AND E1.ENAME='SCOTT';
ENAME SAL JOB ENAME
---------- ---------- --------- ----------
SCOTT 3000 ANALYST JONES
SQL> SELECT E1.ENAME,E1.SAL,E1.JOB,E2.ENAME
2 FROM EMP E1,EMP E2
3 WHERE E1.EMPNO =E2.MGR AND E1.ENAME='SCOTT';
ENAME SAL JOB ENAME
---------- ---------- --------- ----------
SCOTT 3000 ANALYST ADAMS
SQL> SELECT E1.ENAME||' MANAGER IS '||E2.ENAME
2 FROM EMP E1,EMP E2
3 WHERE E1.MGR=E2.EMPNO;
E1.ENAME||'MANAGERIS'||E2.ENAME
--------------------------------
SMITH MANAGER IS FORD
ALLEN MANAGER IS BLAKE
WARD MANAGER IS BLAKE
JONES MANAGER IS KING
MARTIN MANAGER IS BLAKE
BLAKE MANAGER IS KING
CLARK MANAGER IS KING
SCOTT MANAGER IS JONES
TURNER MANAGER IS BLAKE
ADAMS MANAGER IS SCOTT
JAMES MANAGER IS BLAKE
FORD MANAGER IS JONES
MILLER MANAGER IS CLARK
13 rows selected.
SQL> SPOOL OFF;