Friday, May 13, 2016

Oracle PL/SQL Useful Programs 3 of 3

101.Write a program to print the following series
5 4 3 2 1
4 3 2 1
3 2 1
2 1
1
DECLARE
V VARCHAR2(20);
BEGIN
FOR I IN REVERSE 1..5
LOOP
FOR J IN REVERSE 1..I
LOOP
V:=V||' '||J;
END LOOP;
DBMS_OUTPUT.PUT_LINE(V);
V:=NULL;
END LOOP;
END;
/

102.WAP to accept 2 nos and find the sum and product of the nos and print the output
DECLARE
A NUMBER:=&A;
B NUMBER:=&B;
S NUMBER;
M NUMBER;
BEGIN
S:=A+B;
M:=A*B;
DBMS_OUTPUT.PUT_LINE('SUM OF '||'A'||' AND '||'B'||' IS '||S);
DBMS_OUTPUT.PUT_LINE('PRODUCT OF '||'A'||' AND '||'B'||' IS '||M);
END;
/

103.WAP to accept 2 nos and find the remainder when the first number is divided by sencond(dont use mod function)
DECLARE
A NUMBER:=&A;
B NUMBER:=&B;
C NUMBER;
M NUMBER;
BEGIN
C:=TRUNC(A/B);
M:=A-C*B;
DBMS_OUTPUT.PUT_LINE('REMAINDER IS '||M);
END;
/

104.WAP to display all the ASCII characters 0-948-57,A-Z65-90,a-z97-122
BEGIN
FOR I IN 1..255
LOOP
DBMS_OUTPUT.PUT_LINE(I||'-'||CHR(I));
END LOOP;
END;
/

105.Print the following format
ORACLE
ORACL
ORAC
ORA
OR
O
DECLARE
STR VARCHAR2(10):='&STR';
L VARCHAR2(10);
N NUMBER(15);
BEGIN
N:=LENGTH(STR);
WHILE N>=1
LOOP
L:=SUBSTR(STR,1,N);
N:=N-1;
DBMS_OUTPUT.PUT_LINE(L);
END LOOP;
END;
/

106.WAP to display "GOOD MORNING" or "GOOD AFTERNOON" or "GOOD NIGHT" depending upon the current time
DECLARE
HH NUMBER;
BEGIN
HH:=TO_CHAR(SYSDATE,'HH24');
IF HH>6 AND HH<12 THEN
DBMS_OUTPUT.PUT_LINE('GOOD MORNING');
ELSIF HH>=12 AND HH<18 THEN
DBMS_OUTPUT.PUT_LINE('GOOD AFTERNOON');
ELSIF HH>=18 AND HH<25 THEN
DBMS_OUTPUT.PUT_LINE('GOOD NIGHT');
END IF;
END;
/

107.WAP to accept two strings and concat the two strings
DECLARE
STR VARCHAR2(20):='&STR';
STR1 VARCHAR2(20):='&STR1';
V VARCHAR2(40);
BEGIN
V:=STR||''||STR1;
DBMS_OUTPUT.PUT_LINE(V);
END;
/

108.WAP to accept a string and count the no of chars,words in that string
DECLARE
STR VARCHAR2(20):='&STR';
NOC NUMBER(4):=0;
NOW NUMBER(4):=1;
S CHAR;
BEGIN
FOR I IN 1..LENGTH(STR)
LOOP
S:=SUBSTR(STR,I,1);
NOC:=NOC+1;
IF S=' ' THEN
NOW:=NOW+1;
END IF;
END LOOP;
DBMS_OUTPUT.PUT_LINE('THE NO. OF CHARS '||NOC);
DBMS_OUTPUT.PUT_LINE('THE NO. OF WORDS '||NOW);
END;
/

109.WAP to accept the octal number and print it in decimal format
DECLARE
N VARCHAR2(20):='&N';
A NUMBER;
P NUMBER:=0;
C CHAR;
BEGIN
A:=LENGTH(N);
FOR I IN 1..A
LOOP
C:=SUBSTR(N,I,1);
P:=P+C*POWER(8,A-I);
END LOOP;
DBMS_OUTPUT.PUT_LINE('THE INTEGER OF A GIVEN OCTAL IS '||P);
END;
/

110.WAP to accept the mgr and find how many emps are working under that mgr
DECLARE
MGRV EMP.MGR%TYPE:=&MGRNO;
N NUMBER:=0;
BEGIN
SELECT COUNT(*) INTO N FROM EMP WHERE MGR=MGRV;
DBMS_OUTPUT.PUT_LINE('NUMBER OF EMPLOYEE UNDER THAT MANAGER ARE '||N);
END;
/

111.WAP to accept the empno and update the employee row on the following If sal < 2600 then sal=sal+10% of sal make the changes in the emp table
DECLARE
EMPNOV EMP.EMPNO%TYPE:=&EMPNO;
SALV NUMBER(7,2):=0;
BEGIN
SELECT SAL INTO SALV FROM EMP WHERE EMPNO=EMPNOV;
IF SALV < 2600 THEN
SALV:=SALV+SALV*(10/100);
END IF;
UPDATE EMP SET SAL=SALV WHERE EMPNO=EMPNOV;
DBMS_OUTPUT.PUT_LINE('EMPNO IS '||EMPNOV);
DBMS_OUTPUT.PUT_LINE('SAL IS '||SALV);
END;
/

112.Write the floyd's triangle
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
16 17 18 19 20 21
...............
79..............91
DECLARE
N NUMBER:=1;
V VARCHAR2(100);
BEGIN
FOR I IN 1..92
LOOP
FOR J IN 1..I
LOOP
V:=V||' '||N;
N:=N+1;
EXIT WHEN N=92;
END LOOP;
DBMS_OUTPUT.PUT_LINE(V);
EXIT WHEN N=92;
V:=NULL;
END LOOP;
END;
/

113.WAP to accept the real value and print integer value only
DECLARE
N NUMBER(7,3):=&N;
A NUMBER(5);
BEGIN
A:=TRUNC(N);
DBMS_OUTPUT.PUT_LINE('REAL VALUE IS '||A);
END;
/

114.WAP to calculate the sum of n odd factorials
DECLARE
N NUMBER:=&N;
S NUMBER:=0;
F NUMBER:=1;
BEGIN
FOR I IN 1..N
LOOP
IF MOD(I,2)!=0 THEN
FOR J IN 1..I
LOOP
F:=F*J;
END LOOP;
S:=S+F;
F:=1;
END IF;
END LOOP;
DBMS_OUTPUT.PUT_LINE('SUM '||S);
END;
/

115.WAP to calculate the sum of n even factorials
DECLARE
N NUMBER:=&N;
S NUMBER:=0;
F NUMBER:=1;
BEGIN
FOR I IN 1..N
LOOP
IF MOD(I,2)=0 THEN
FOR J IN 1..I
LOOP
F:=F*J;
END LOOP;
S:=S+F;
F:=1;
END IF;
END LOOP;
DBMS_OUTPUT.PUT_LINE('SUM '||S);
END;
/

116.WAP to generate the nos which are prime and odd between 1 and 100
DECLARE
N NUMBER;
CNT NUMBER:=0;
BEGIN
FOR I IN 1..100
LOOP
FOR J IN 1..I
LOOP
IF MOD(I,J)=0 THEN
CNT:=CNT+1;
END IF;
END LOOP;
IF CNT <= 2 THEN
IF MOD(I,2)!=0 THEN
DBMS_OUTPUT.PUT_LINE(I);
END IF;
END IF;
CNT:=0;
END LOOP;
END;
/

117.Write a program to generate following series
12
12 22
12 22 32
12 22 32 42
12 22 32 42 52
DECLARE
V VARCHAR2(20);
BEGIN
FOR I IN 1..5
LOOP
FOR J IN 1..I
LOOP
V:=V||' '||J||CHR(178);
END LOOP;
DBMS_OUTPUT.PUT_LINE(V);
V:=NULL;
END LOOP;
END;
/

118.Find the roots of a quadratic equation
DECLARE
A NUMBER(4):=&A;
B NUMBER(4):=&B;
C NUMBER(4):=&C;
D NUMBER(8,2);
R1 NUMBER(8,2);
R2 NUMBER(8,2);
BEGIN
D:=POWER(B,2)-4*A*C;
IF D = 0 THEN
DBMS_OUTPUT.PUT_LINE('ROOTS ARE EQUAL');
ELSIF D > 0 THEN
R1:=(-B+SQRT(D))/2*A;
R2:=(-B-SQRT(D))/2*A;
DBMS_OUTPUT.PUT_LINE('FIRST ROOT IS '||R1);
DBMS_OUTPUT.PUT_LINE('SECOND ROOT IS '||R2);
ELSE
DBMS_OUTPUT.PUT_LINE('ROOTS ARE IMAGINARY');
END IF;
END;
/

119.WAP to accept the 2 diff nos, assume that first one is smaller and second one is highest value then print the all even nos in between them horizontally
DECLARE
A NUMBER:=&A;
B NUMBER:=&B;
V VARCHAR2(100);
BEGIN
FOR I IN A..B
LOOP
IF MOD(I,2)=0 THEN
V:=V||' '||I;
END IF;
END LOOP;
DBMS_OUTPUT.PUT_LINE(V);
END;
/

120.WAP to accept two diff nos assume that first one is smaller and second one is highest value then print the all odd nos in between them horizontally
DECLARE
A NUMBER:=&A;
B NUMBER:=&B;
V VARCHAR2(100);
BEGIN
FOR I IN A..B
LOOP
IF MOD(I,2)!=0 THEN
V:=V||' '||I;
END IF;
END LOOP;
DBMS_OUTPUT.PUT_LINE(V);
END;
/

121. Write a program to accept a year and display the emps belongs to that year?
DECLARE
Y NUMBER(4):=&YEAR;
CURSOR YEAR IS
SELECT * FROM EMP WHERE TO_CHAR(HIREDATE,'YYYY')=Y;
B YEAR%ROWTYPE;
BEGIN
OPEN YEAR;
LOOP
FETCH YEAR INTO B;
EXIT WHEN YEAR%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('EMP NAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('EMP SAL IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS ' || B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE YEAR;
END;
/

122.Write a program to accept a mgr and display who are working under that mgr?
DECLARE
MGRV NUMBER(4):=&MGR;
CURSOR AMGR IS
SELECT * FROM EMP WHERE MGR=MGRV;
B AMGR%ROWTYPE;
BEGIN
OPEN AMGR;
LOOP
FETCH AMGR INTO B;
EXIT WHEN AMGR%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('EMP NAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('EMP SAL IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS ' || B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE AMGR;
END;
/

123. Write a program to accept the grade and display emps belongs to that grade?
DECLARE
GRADEV SALGRADE.GRADE%TYPE:=&GRADE;
CURSOR A IS
SELECT EMP.*,GRADE FROM EMP,SALGRADE WHERE SAL BETWEEN LOSAL AND HISAL AND GRADE=GRADEV;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('SAL IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('MGR NO IS ' || B.MGR);
DBMS_OUTPUT.PUT_LINE('COMM IS ' || B.COMM);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS ' || B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('GRADE IS ' || B.GRADE);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END;
/

124. Write a program to accept a deptno and display who are working in that dept?
DECLARE
DEPTV EMP.DEPTNO%TYPE:=&DEPTNO;
CURSOR A IS
SELECT * FROM EMP WHERE DEPTNO=DEPTV;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('SAL IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('MGR NO IS ' || B.MGR);
DBMS_OUTPUT.PUT_LINE('COMM IS ' || B.COMM);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS ' || B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('DEPTNO IS ' || B.DEPTNO);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END;
/

125. Write a program to display all the information of emp table?
DECLARE
CURSOR A IS
SELECT * FROM EMP;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('SAL IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('MGR NO IS ' || B.MGR);
DBMS_OUTPUT.PUT_LINE('COMM IS ' || B.COMM);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS ' || B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('DEPTNO IS ' || B.DEPTNO);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END;
/

126. Write a program to accept the location and display empno, name, sal , date of join and also display the total salary, avg salary and no of emps?
DECLARE
LOCV DEPT.LOC%TYPE:='&LOC';
TOT NUMBER(10,2):=0;
ASAL NUMBER(10,2):=0;
NOEMPS NUMBER(5):=0;
CURSOR A IS
SELECT EMP.*,LOC FROM EMP,DEPT WHERE EMP.DEPTNO=DEPT.DEPTNO AND LOC=LOCV;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
NOEMPS:=NOEMPS+1;
TOT:=TOT+B.SAL;
ASAL:=TOT/NOEMPS;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('SAL IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS ' || B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('DEPTNO IS ' || B.DEPTNO);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('LOC IS ' || B.LOC);
DBMS_OUTPUT.PUT_LINE('TOT IS ' || TOT);
DBMS_OUTPUT.PUT_LINE('NOEMPS IS ' || NOEMPS);
DBMS_OUTPUT.PUT_LINE('ASAL IS ' || ASAL);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END;
/

127. Write a program to accept a range of salary (that is lower boundary and higher boundary) and print the details of emps along with loc,grade and exp?
DECLARE
LOSALV SALGRADE.LOSAL%TYPE:=&LOSAL;
HISALV SALGRADE.HISAL%TYPE:=&HISAL;
EXP NUMBER(5,2);
CURSOR A IS
SELECT EMP.*,LOC,GRADE FROM EMP,DEPT,SALGRADE WHERE EMP.DEPTNO=DEPT.DEPTNO
AND SAL BETWEEN LOSALV AND HISALV
AND SAL BETWEEN LOSAL AND HISAL;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
EXP:=MONTHS_BETWEEN(SYSDATE,B.HIREDATE)/12;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('LOC IS ' || B.LOC);
DBMS_OUTPUT.PUT_LINE('EXP IS ' || EXP);
DBMS_OUTPUT.PUT_LINE('GRADE IS ' || B.GRADE);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END;
/

128. Write a program to print all the details of emps accepting the job?
DECLARE
JOBV EMP.JOB%TYPE:='&JOB';
CURSOR A IS
SELECT * FROM EMP WHERE JOB=JOBV;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMP NO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('EMP JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END;
/

129. Write a program to display the details of emps year wise?
DECLARE
CURSOR YEARS IS
SELECT DISTINCT TO_CHAR(HIREDATE,'YYYY') YEARS1 FROM EMP ORDER BY 1;
YEAR YEARS%ROWTYPE;
CURSOR A IS
SELECT * FROM EMP WHERE TO_CHAR(HIREDATE,'YYYY')=YEAR.YEARS1;
B A%ROWTYPE;
BEGIN
DBMS_OUTPUT.ENABLE(10000);
OPEN YEARS;
DBMS_OUTPUT.PUT_LINE('********************');
LOOP
FETCH YEARS INTO YEAR;
EXIT WHEN YEARS%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('YEAR :' || YEAR.YEARS1);
DBMS_OUTPUT.PUT_LINE('**********************');
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMPNO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('SALARY IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('DEPTNO IS ' || B.DEPTNO);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END LOOP;
CLOSE YEARS;
END;
/

130. Write a program to accept empno and print all the details along with loc and grade?
DECLARE
EMPNOV EMP.EMPNO%TYPE:=&EMPNO;
CURSOR A IS
SELECT EMP.*,GRADE,LOC FROM EMP,DEPT,SALGRADE
WHERE EMP.DEPTNO=DEPT.DEPTNO
AND SAL BETWEEN LOSAL AND HISAL AND EMPNO=EMPNOV;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMPNO IS ' || B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS ' || B.ENAME);
DBMS_OUTPUT.PUT_LINE('SALARY IS ' || B.SAL);
DBMS_OUTPUT.PUT_LINE('JOB IS ' || B.JOB);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS ' || B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('LOC IS ' || B.LOC);
DBMS_OUTPUT.PUT_LINE('GRADE IS ' || B.GRADE);
DBMS_OUTPUT.PUT_LINE('*************************');
END LOOP;
CLOSE A;
END;
/

131. Write a procedure to create your own print statement?
CREATE OR REPLACE PROCEDURE PRINT(V VARCHAR2)
IS
BEGIN
DBMS_OUTPUT.PUT_LINE(V);
END;
/

132. Write a procedure to accept the deptno as parameter and display the details of that dept also display the total salary, no of employees, max sal and avg sal?
CREATE OR REPLACE PROCEDURE EMPPRO(DEPTNOV NUMBER)
IS
CURSOR A IS
SELECT * FROM EMP WHERE DEPTNO=DEPTNOV;
B A%ROWTYPE;
NOE NUMBER:=0;
TOT NUMBER:=0;
AVGS NUMBER(7,2):=0;
MAXS NUMBER(7,2):=0;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMPNO :'||B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME :'||B.ENAME);
DBMS_OUTPUT.PUT_LINE('JOB :'||B.JOB);
DBMS_OUTPUT.PUT_LINE('SAL :'||B.SAL);
DBMS_OUTPUT.PUT_LINE('HIREDATE :'||B.HIREDATE);
DBMS_OUTPUT.PUT_LINE('COMM :'||B.COMM);
DBMS_OUTPUT.PUT_LINE('**********************');
TOT:=TOT+B.SAL;
NOE:=NOE+1;
IF B.SAL>MAXS THEN
MAXS:=B.SAL;
END IF;
END LOOP;
AVGS:=TOT/NOE;
DBMS_OUTPUT.PUT_LINE('NO OF EMPLOYEE :'||NOE);
DBMS_OUTPUT.PUT_LINE('TOTAL SALARY :'||TOT);
DBMS_OUTPUT.PUT_LINE('AVG SALARY :'||AVGS);
DBMS_OUTPUT.PUT_LINE('MAX SALARY :'||MAXS);
CLOSE A;
END;
/

133. Write a procedure to accept two different numbers and print all odd numbers between the two given numbers?
CREATE OR REPLACE PROCEDURE ODDNO(A NUMBER,B NUMBER)
IS
N NUMBER(4);
BEGIN
N:=A;
WHILE N<B
LOOP
IF MOD(N,2)!=0 THEN
DBMS_OUTPUT.PUT_LINE(N);
END IF;
N:=N+1;
END LOOP;
END;
/

134. Write a procedure to accept two different numbers and print even numbers between the two given numbers?
CREATE OR REPLACE PROCEDURE EVENNO(A NUMBER,B NUMBER)
IS
N NUMBER(4);
BEGIN
N:=A;
WHILE N<B
LOOP
IF MOD(N,2)=0 THEN
DBMS_OUTPUT.PUT_LINE(N);
END IF;
N:=N+1;
END LOOP;
END;
/

135. Write a procedure to accept deptno as input and print the details of emps along with grade?
CREATE OR REPLACE PROCEDURE EMP_DETAIL(DEPTNOV NUMBER)
IS
CURSOR A IS
SELECT EMP.*,GRADE FROM EMP,SALGRADE
WHERE SAL BETWEEN LOSAL AND HISAL
AND DEPTNO=DEPTNOV;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMPNO IS '||B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS '||B.ENAME);
DBMS_OUTPUT.PUT_LINE('JOB IS '||B.JOB);
DBMS_OUTPUT.PUT_LINE('SAL IS '||B.SAL);
DBMS_OUTPUT.PUT_LINE('DEPTNO IS '||B.DEPTNO);
DBMS_OUTPUT.PUT_LINE('GRADE IS '||B.GRADE);
END LOOP;
CLOSE A;
END;
/

136. Write a procedure to accept a number as parameter and print its multiplication table?
CREATE OR REPLACE PROCEDURE MULT(A NUMBER)
IS
B NUMBER(2) DEFAULT 1;
C NUMBER(3);
BEGIN
WHILE B<=10
LOOP
C:=A*B;
DBMS_OUTPUT.PUT_LINE(A||'*'||B||'='||C);
B:=B+1;
END LOOP;
END;
/

137. Write a procedure to accept two different numbers as input and print all even numbers and odd numbers in between them in two different horizontal lines?
CREATE OR REPLACE PROCEDURE EVENODD(A NUMBER,B NUMBER)
IS
N NUMBER;
EV VARCHAR2(1000);
OD VARCHAR2(1000);
BEGIN
N:=A;
WHILE N<B
LOOP
IF MOD(N,2)!=0 THEN
OD:=OD||' '||N;
ELSE
EV:=EV||' '||N;
END IF;
N:=N+1;
END LOOP;
DBMS_OUTPUT.PUT_LINE('THE ODD NOS ARE '||OD);
DBMS_OUTPUT.PUT_LINE('THE EVEN NOS ARE '||EV);
END;
/

138. Write a procedure to accept a string and check whether it is palindrome or not?
CREATE OR REPLACE PROCEDURE STRPAL(STR VARCHAR2)
IS
STR1 VARCHAR2(10);
S VARCHAR2(10);
BEGIN
FOR I IN REVERSE 1..LENGTH(STR)
LOOP
S:=SUBSTR(STR,I,1);
STR1:=STR1||S;
END LOOP;
IF STR1=STR THEN
DBMS_OUTPUT.PUT_LINE('IT IS PALINDROME '||STR1);
ELSE
DBMS_OUTPUT.PUT_LINE('IT IS NOT PALINDROME '||STR1);
END IF;
END;
/

139. Write a procedure to accept a string and print it in reverse order?
CREATE OR REPLACE PROCEDURE STRREV(STR VARCHAR2)
IS
STR1 VARCHAR2(10);
S VARCHAR2(10);
BEGIN
FOR I IN REVERSE 1..LENGTH(STR)
LOOP
S:=SUBSTR(STR,I,1);
STR1:=STR1||S;
END LOOP;
DBMS_OUTPUT.PUT_LINE('ORIGINAL '||STR);
DBMS_OUTPUT.PUT_LINE('REVERSE '||STR1);
END;
/

140. Write a procedure to accept the empno and print all the details of emp along with exp, grade and loc?
CREATE OR REPLACE PROCEDURE EMP_DET(EMPNOV NUMBER)
IS
EXP NUMBER(6,2);
E EMP%ROWTYPE;
GRADEV SALGRADE.GRADE%TYPE;
LOCV DEPT.LOC%TYPE;
BEGIN
SELECT EMP.* INTO E FROM EMP WHERE EMPNO=EMPNOV;
SELECT LOC INTO LOCV FROM DEPT WHERE DEPT.DEPTNO=E.DEPTNO;
SELECT GRADE INTO GRADEV FROM SALGRADE WHERE E.SAL BETWEEN LOSAL AND HISAL;
EXP:=MONTHS_BETWEEN(SYSDATE,E.HIREDATE)/12;
DBMS_OUTPUT.PUT_LINE('EMPNO IS '||E.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS '||E.ENAME);
DBMS_OUTPUT.PUT_LINE('SAL IS '||E.SAL);
DBMS_OUTPUT.PUT_LINE('JOB IS '||E.JOB);
DBMS_OUTPUT.PUT_LINE('LOC IS '||LOCV);
DBMS_OUTPUT.PUT_LINE('GRADE IS '||GRADEV);
DBMS_OUTPUT.PUT_LINE('EXP IS '||EXP);
END;
/

141. Write a procedure to accept dname irrespective of case and print all the details of emps?
CREATE OR REPLACE PROCEDURE DETAILS(DNAMEV VARCHAR2)
IS
CURSOR A IS
SELECT EMP.*,DNAME FROM EMP,DEPT WHERE EMP.DEPTNO=DEPT.DEPTNO AND DNAME=DNAMEV;
B A%ROWTYPE;
BEGIN
OPEN A;
LOOP
FETCH A INTO B;
EXIT WHEN A%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('EMPNO IS '||B.EMPNO);
DBMS_OUTPUT.PUT_LINE('ENAME IS '||B.ENAME);
DBMS_OUTPUT.PUT_LINE('SAL IS '||B.SAL);
DBMS_OUTPUT.PUT_LINE('JOB IS '||B.JOB);
DBMS_OUTPUT.PUT_LINE('DNAME IS '||B.DNAME);
DBMS_OUTPUT.PUT_LINE('HIREDATE IS '||B.HIREDATE);
END LOOP;
END;
/

142. Write a procedure to accept a string and print it in reverse case?
CREATE OR REPLACE PROCEDURE S_R_CASE(STR VARCHAR2)
IS
S VARCHAR2(10);
V VARCHAR2(10);
N NUMBER(3);
BEGIN
FOR I IN 1..LENGTH(STR)
LOOP
S:=SUBSTR(STR,I,1);
N:=ASCII(S);
IF N BETWEEN 65 AND 90 THEN
V:=V||CHR(N+32);
ELSE
V:=V||CHR(N-32);
END IF;
END LOOP;
DBMS_OUTPUT.PUT_LINE('STRING IN REVERSE CASE IS '||V);
END;
/

143. Write a function to accept the empno and return exp with minimum 3 decimal?
CREATE OR REPLACE FUNCTION E_DETAILS(EMPNOV NUMBER) RETURN NUMBER
IS
HIREDATEV EMP.HIREDATE%TYPE;
EXP NUMBER(6,3);
BEGIN
SELECT HIREDATE INTO HIREDATEV FROM EMP WHERE EMPNO=EMPNOV;
EXP:=MONTHS_BETWEEN(SYSDATE,HIREDATEV)/12;
RETURN EXP;
END;
/

144. Write a function to accept a number and print the factorial of that number?
CREATE OR REPLACE FUNCTION FAC(NUM NUMBER) RETURN NUMBER
IS
FACT NUMBER(4):=1;
BEGIN
FOR I IN REVERSE 1..NUM
LOOP
FACT:=FACT*I;
END LOOP;
RETURN FACT;
END;
/

145. Write a function to accept a grade and return the number of emps belongs to that grade?
CREATE OR REPLACE FUNCTION EMPGRADE(GRADEV NUMBER) RETURN VARCHAR2
IS
N NUMBER(4);
BEGIN
SELECT COUNT(*) INTO N FROM EMP,SALGRADE
WHERE SAL BETWEEN LOSAL AND HISAL AND GRADE=GRADEV;
RETURN 'NO OF EMPS ARE'||N;
END;
/

146. Write a program to accept the mgr number and return no of emp working at that mgr?
CREATE OR REPLACE FUNCTION N_EMPS(MGRV NUMBER) RETURN VARCHAR2
IS
N NUMBER(4);
BEGIN
SELECT COUNT(*) INTO N FROM EMP WHERE MGR=MGRV;
RETURN 'THE NO OF EMPS ARE WORKING UNDER THIS MGR IS '||N;
END;
/

147. Write a function to accept a character string and print it in reverse case?
CREATE OR REPLACE FUNCTION REVERSE(STR VARCHAR2) RETURN VARCHAR2
IS
STR1 VARCHAR2(20);
S VARCHAR2(20);
N NUMBER(4);
BEGIN
FOR I IN 1..LENGTH(STR)
LOOP
S:=SUBSTR(STR,I,1);
N:=ASCII(S);
IF N BETWEEN 65 AND 90 THEN
STR1:=STR1||CHR(N+32);
ELSE
STR1:=STR1||CHR(N-32);
END IF;
END LOOP;
RETURN 'THE REVERSE CASE IS '||STR1;
END;
/

148. Write a function to accept a string and check whether it is palindrome or not?
CREATE OR REPLACE FUNCTION STRPAL1(STR VARCHAR2) RETURN VARCHAR2
IS
STR1 VARCHAR2(10);
S VARCHAR2(10);
BEGIN
FOR I IN REVERSE 1..LENGTH(STR)
LOOP
S:=SUBSTR(STR,I,1);
STR1:=STR1||S;
END LOOP;
IF STR1=STR THEN
RETURN 'IT IS PALINDROME '||STR1;
ELSE
RETURN 'IT IS NOT PALINDROME '||STR1;
END IF;
END;
/

149. Write a function to accept the grade and return max, tot, avg salary and number of emps belongs to that grade as script without using any group functions?
CREATE OR REPLACE FUNCTION EMP_DETAILS_SCRIPT (GRADEV SALGRADE.GRADE%TYPE) RETURN VARCHAR2 
IS
V VARCHAR2(30000);
CURSOR EMP_CUR IS
SELECT EMP.*,GRADE,DNAME FROM DEPT,EMP,SALGRADE
WHERE GRADE=GRADEV AND EMP.DEPTNO=DEPT.DEPTNO AND
SAL BETWEEN LOSAL AND HISAL;
EMP_CUR_V EMP_CUR%ROWTYPE;
MAXSAL EMP.SAL%TYPE:=0;
MINSAL EMP.SAL%TYPE;
AVGSAL NUMBER(6,2);
SUMSAL NUMBER(10,2):=0;
CNT NUMBER:=0;
FLAG CHAR:=0;
EX EXCEPTION;
BEGIN
OPEN EMP_CUR;
LOOP
FETCH EMP_CUR INTO EMP_CUR_V;
EXIT WHEN EMP_CUR%NOTFOUND;
IF MAXSAL < EMP_CUR_V.SAL THEN
MAXSAL:=EMP_CUR_V.SAL;
END IF;
IF FLAG=0 THEN
MINSAL:=EMP_CUR_V.SAL;
FLAG:=1;
ELSIF FLAG=1 AND MINSAL > EMP_CUR_V.SAL THEN
MINSAL:=EMP_CUR_V.SAL;
END IF;
SUMSAL:=SUMSAL+EMP_CUR_V.SAL;
CNT:=CNT+1;
ENDLOOP;
IF CNT=0 THEN
RAISE EX;
END IF;
AVGSAL:=SUMSAL/CNT;
V:='THE MAXIMUM SALARY OF GRADE' ||GRADEV||' IS'||MAXSAL||' MINIMUM SALARY IS'||MINSAL||
'AVERAGE SALARY IS'||AVGSAL||' TOTAL EMPS WORKING FOR THIS GRADE ARE'||CNT;
CLOSE EMP_CUR;
RETURN V;
EXCEPTION
WHEN EX THEN
RETURN 'THERE IS NO EMPLOYEE WORKING FOR THIS GRADE, CHECK AND RE-ENTER THE GRADE....';
END;
/

150. Create a package to store the following procedure for multiplication table,even-odd, function for factorial and function for palindrome?
CREATE OR REPLACE PACKAGE DATA
IS
PROCEDURE MULT(A NUMBER);
PROCEDURE EVEN_ODD(N NUMBER);
FUNCTION FACT(N NUMBER) RETURN NUMBER;
PRAGMA RESTRICT_REFERENCES(FACT,WNDS);
FUNCTION PALEN(SRT VARCHAR2) RETURN VARCHAR2;
PRAGMA RESTRICT_REFERENCES(PALEN,WNDS);
END;
/
CREATE OR REPLACE PACKAGE BODY DATA
IS
PROCEDURE MULT(A NUMBER)
IS
M NUMBER;
BEGIN
FOR I IN 1..10
LOOP
M:=A*I;
DBMS_OUTPUT.PUT_LINE(A||'*'||I||'='||M);
END LOOP;
END;
PROCEDURE EVEN_ODD(N NUMBER)
IS
BEGIN
IF MOD(N,2)=0 THEN
DBMS_OUTPUT.PUT_LINE(N||' IS EVEN NUMBER');
ELSE
DBMS_OUTPUT.PUT_LINE(N||' IS NOT EVEN NUMBER');
END IF;
END;

FUNCTION FACT(N NUMBER) RETURN NUMBER
IS
F NUMBER:=1;
BEGIN
FOR I IN 1..N
LOOP
F:=F*I;
END LOOP;
RETURN F;
END;

FUNCTION PALEN(SRT VARCHAR2) RETURN VARCHAR2
IS
S CHAR;
V VARCHAR2(50);
BEGIN
FOR I IN REVERSE 1..LENGTH(SRT)
LOOP
S:=SUBSTR(SRT,I,1);
V:=V||S;
END LOOP;
IF V=SRT THEN
RETURN 'PALINDROME';
ELSE
RETURN 'NOT PALINDROME';
END IF;
END;
END;
/

151.Write a database trigger halt the transaction on Sunday on EMP table
CREATE OR REPLACE TRIGGER SUN_TRI
AFTER INSERT OR UPDATE OR DELETE ON EMP
DECLARE
DY VARCHAR2(200);
BEGIN
DY:=TO_CHAR(SYSDATE,'DY');
IF DY='SUN' THEN
RAISE_APPLICATION_ERROR(-20005,'TODAY IS SUNDAY TRANSACTION NOT ALLOWED TODAY');
END IF;
END;
/

152.Write a database trigger halt the transaction of USER SCOTT on table EMP
CREATE OR REPLACE TRIGGER SCOTT_TRI
BEFORE INSERT OR UPDATE OR DELETE ON EMP
BEGIN
IF USER = 'SCOTT' THEN
RAISE_APPLICATION_ERROR(-20006,'TRANSACTION NOT ALLOWED FOR SCOTT');
END IF;
END;
/

153.Write a database trigger halt the transaction between the the time 6pm to 10am on table emp
CREATE OR REPLACE TRIGGER OVER_TIME_TRI
BEFORE INSERT OR DELETE OR UPDATE ON EMP
DECLARE
T NUMBER;
BEGIN
T:=TO_CHAR(SYSDATE,'HH24');
IF T NOT BETWEEN 10 AND 18 THEN
RAISE_APPLICATION_ERROR(-20007,'TIME ALREADY OVER.....TRANSACTION NOT ALLOWED NOW');
END IF;
END;

154.Write a database trigger to halt the transaction for the employee SALESMAN and
PRESIDENT
CREATE OR REPLACE TRIGGER SALES_PRI
BEFORE INSERT OR UPDATE OR DELETE ON EMP
FOR EACH ROW
WHEN (OLD.JOB IN ('SALESMAN','PRESIDENT') OR
NEW.JOB IN ('SALESMAN','PRESIDENT'))
BEGIN
RAISE_APPLICATION_ERROR(-20008,'TRANSACTION NOT ALLOWED FOR SALESMAN AND PRESIDENT....');
END;
/

155.Write a database trigger store the username ,type of transaction ,date of transaction and time of transaction of table emp into the table EMP_LOG
CREATE OR REPLACE TRIGGER TRANS_TYPE
AFTER INSERT OR UPDATE OR DELETE ON EMP
DECLARE
V VARCHAR2(50);
BEGIN
IF INSERTING THEN
V:='I';
ELSIF UPDATING THEN
V:='U';
ELSE
V:='D';
END IF;
INSERT INTO EMP_LOG VALUES (USER,V,SYSDATE,TO_CHAR(SYSDATE,'HH:MI:SS'));
END;
/

156.Write a database trigger store the deleted data of EMP table in EMPDEL table
CREATE OR REPLACE TRIGGER DEL_TRI
BEFORE DELETE ON EMP
FOR EACH ROW
BEGIN
INSERT INTO EMPDEL
VALUES (:OLD.EMPNO,:OLD.ENAME,:OLD.JOB,:OLD.MGR,:OLD.HIREDATE,:OLD.SAL,:OLD.COMM,
:OLD.DEPTNO,SYSDATE,TO_CHAR(SYSDATE,'HH:MI:SS'));
END;
/

157.Write a database trigger display the message when the inserting hiredate is greater than system date
CREATE OR REPLACE TRIGGER HIREDATE_OVER
AFTER INSERT ON EMP
FOR EACH ROW
BEGIN
IF :NEW.HIREDATE > SYSDATE THEN
RAISE_APPLICATION_ERROR(-20009,'INVALID HIREDATE.....');
END IF;
END;
/

158.Write a database trigger halt the transaction of EMP table if the deptno is does not exist in the dept table
CREATE OR REPLACE TRIGGER DEPT_NO
BEFORE INSERT OR UPDATE OR DELETE ON EMP
FOR EACH ROW
DECLARE
DNO NUMBER:=0;
BEGIN
SELECT COUNT(*) INTO DNO FROM DEPT WHERE DEPTNO=:NEW.DEPTNO;
DBMS_OUTPUT.PUT_LINE(DNO);
IF DNO=0 THEN
RAISE_APPLICATION_ERROR(-20009,'DEPTNO NOT EXIST IN DEPT TABLE....');
END IF;
END;
/

159.Write a database trigger add Rs 500 if the inserting salary is less than Rs 1000
CREATE OR REPLACE TRIGGER SAL_ADD
BEFORE INSERT ON EMP
FOR EACH ROW
BEGIN
IF :NEW.SAL <= 1000 THEN
:NEW.SAL:=:NEW.SAL+500;
END IF;
END;
/

160.Write a database trigger give the appropriate message if the record exceed more than 100 on EMP table
CREATE OR REPLACE TRIGGER EMP_OVER_REC
AFTER INSERT ON EMP
DECLARE
R NUMBER;
BEGIN
SELECT COUNT(*) INTO R FROM EMP;
IF R>=100 THEN
RAISE_APPLICATION_ERROR(-20009,'100 RECORD ALLOWED IN EMP TABLE.....');
END IF;
END;
/

161.Write a program to month and year and display the Calendar of that month.
DECLARE
D NUMBER:=1;
M VARCHAR2(10):='&MONTH';
Y NUMBER:=&YEAR;
C CHAR(20);
V VARCHAR2(500);
N NUMBER;
BEGIN
N:=TO_CHAR(LAST_DAY(D||'-'||M||'-'||Y),'DD');
C:= TO_CHAR(TO_DATE(D||'-'||M||'-'||Y),'DY');
dbms_output.put_line('*********************************');
dbms_output.put_line('* '||M||'-'||Y||' *');
dbms_output.put_line('*SUN MON TUE WED THU FRI SAT *');
dbms_output.put_line('**********************************');
IF C='MON' THEN
V:=' ';
ELSIF C='TUE' THEN
V:=' ';
ELSIF C='WED' THEN
V:=' ';
ELSIF C='THU' THEN
V:=' ';
ELSIF C='FRI' THEN
V:=' ';
ELSIF C='SAT' THEN
V:=' ';
END IF;
FOR I IN 1..N
LOOP
V:=V||LPAD(I,4);
IF LENGTH(V)=28 THEN
dbms_output.put_line(LPAD(V,29,'*')||' *');
V:=NULL;
END IF;
END LOOP;
dbms_output.put_line('*'||RPAD(V,29)||'*');
END;

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