DROP TABLE areas;
CREATE TABLE areas(
radius NUMBER(7,2),
area NUMBER(14,2)
);
DROP TABLE T_EMPLOYEE;
CREATE TABLE T_EMPLOYEE(
employee_id number,
employee_name varchar(50)
);
INSERT INTO T_EMPLOYEE VALUES('1','ABUL');
INSERT INTO T_EMPLOYEE VALUES('2','ABDUL');
INSERT INTO T_EMPLOYEE VALUES('3','ABir');
INSERT INTO T_EMPLOYEE VALUES('4','Alief');
INSERT INTO T_EMPLOYEE VALUES('5','ARIF');
INSERT INTO T_EMPLOYEE VALUES('6','ALIM');
CREATE TABLE RADIUS_VALS(
radius number(7,3)
);
INSERT INTO RADIUS_VALS VALUES('3');
INSERT INTO RADIUS_VALS VALUES('13');
INSERT INTO RADIUS_VALS VALUES('23');
INSERT INTO RADIUS_VALS VALUES('33');
INSERT INTO RADIUS_VALS VALUES('43');
INSERT INTO RADIUS_VALS VALUES('53');
INSERT INTO RADIUS_VALS VALUES('63');
<<<<<<<<<<<<<<<[Simple PL/SQL]>>>>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.141534;
radius INTEGER(5);
area INTEGER(14,2);
BEGIN
radius := 3;
area := pi*power(radius,2);
INSERT INTO AREAS VALUES(radius,area);
end;
/
<<<<<<<<<<<<<<<[EXCEPTION Handling]>>>>>>>>>>>>>>>>>>>>>>>
///////OUT PUT:ZERO VALUE INSERTED TO AREAS...AREA IS:...//////////////
SET SERVEROUTPUT ON;
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
radius INTEGER(5);
area NUMBER(14,2);
some_variable NUMBER(14,2);
BEGIN
radius := 3;
loop
some_variable := 1/(radius-4);
area := pi*power(radius,2);
insert into AREAS values (radius, area);
radius := radius+1;
exit when area >100;
end loop;
EXCEPTION
when ZERO_DIVIDE
then insert into AREAS values (0,0);
DBMS_OUTPUT.PUT_LINE('Zero value inserted to AREAS. Area Is: '||area);
end;
/
//////////////////////OUT PUT:HIGH AREA//////////////////////
SET SERVEROUTPUT ON;
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
radius INTEGER(5);
area NUMBER(14,2);
some_variable NUMBER(14,2);
too_high_area exception;
BEGIN
radius := 3;
loop
some_variable := 1/(radius-4);
area := pi*power(radius,2);
insert into AREAS values (radius, area);
radius := radius+1;
if area * 30 >100 then raise too_high_area;
end if;
exit when area >100;
end loop;
EXCEPTION
when ZERO_DIVIDE
then insert into AREAS values (0,0);
DBMS_OUTPUT.PUT_LINE('Zero value inserted to AREAS. Area Is: '||area);
when too_high_area then DBMS_OUTPUT.PUT_LINE('High AREA');
end;
/
////////////////OUT PUT:NO DATA FOUND///////////////
DECLARE
v_radius NUMBER(10,3);
v_area NUMBER(7,3);
too_high_area exception;
BEGIN
select radius, area into v_radius, v_area
from areas where radius = '198';
if v_radius * 30 > 20 then raise too_high_area;
end if;
exception
when NO_DATA_FOUND
then DBMS_OUTPUT.PUT_LINE('No data found');
when too_high_area then DBMS_OUTPUT.PUT_LINE('High AREA');
end;
/
<<<<<<<<<[%type]>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.141532;
radius areas.radius%type;
area areas.area%type;
BEGIN
radius := 3;
area := pi*power(radius,2);
INSERT INTO AREAS VALUES(radius, area);
end;
/
<<<<<<<<<<<<<<<<<<<<[%rowtype]>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.141523;
value areas%rowtype;
BEGIN
value.radius := 3;
value.area := pi*power(value.radius,2);
INSERT INTO AREAS VALUES(value.radius, value.area);
end;
/
<<<<<<<<<<<<<<<<<<<<[%rowtype](Select)>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.141523;
value areas%rowtype;
BEGIN
SELECT MAX(RADIUS) INTO value.radius FROM areas;
value.area := pi*power(value.radius,2);
INSERT INTO AREAS VALUES(value.radius+1, value.area);
end;
/
<<<<<<<<<<<<<<<<<<[SELECT](NORMAL)>>>>>>>>>>>>>>>>>>>>>
SET SERVEROUTPUT ON;
DECLARE
v_radius NUMBER;
v_area NUMBER;
BEGIN
SELECT radius, area into v_radius, v_area FROM areas where radius=4;
DBMS_OUTPUT.PUT_LINE('Radius Is:'|| v_radius||'AREA IS:'||v_area);
END;
/
<<<<<<<<<<<<<<<<[CURSOR]>>>>>>>>>>>>>>>>
SET SERVEROUTPUT ON;
DECLARE
CURSOR empCursor IS select employee_id, employee_name from t_employee WHERE employee_name like 'A%';
empvalue empCursor%rowtype;
BEGIN
OPEN empCursor;
FETCH empCursor INTO empvalue;
DBMS_OUTPUT.PUT_LINE('EMPLOYEE ID IS:'||empvalue.employee_id);
DBMS_OUTPUT.PUT_LINE('EMPLOYEE NAME IS:'||empvalue.employee_name);
DBMS_OUTPUT.PUT_LINE('BY: itsjubayer.blogspot.com');
CLOSE empCursor;
END;
/
<<<<<<<<<<<<<<<<<[SELECT ROWS USING CURSOR]>>>>>>>>>>>>>>>>>>>>>>>>>>
DECLARE
CURSOR empCursor IS select employee_id, employee_name from t_employee;
empvalue empCursor%rowtype;
empvalue1 empCursor%rowtype;
BEGIN
OPEN empCursor;
FETCH empCursor INTO empvalue;
DBMS_OUTPUT.PUT_LINE('EMPLOYEE ID IS:'||empvalue.employee_id);
FETCH empCursor INTO empvalue;
DBMS_OUTPUT.PUT_LINE('EMPLOYEE ID IS:'||empvalue.employee_id);
FETCH empCursor INTO empvalue;
DBMS_OUTPUT.PUT_LINE('EMPLOYEE ID IS:'||empvalue.employee_id);
FETCH empCursor INTO empvalue;
DBMS_OUTPUT.PUT_LINE('EMPLOYEE ID IS:'||empvalue.employee_id);
FETCH empCursor INTO empvalue;
DBMS_OUTPUT.PUT_LINE('EMPLOYEE ID IS:'||empvalue.employee_id);
FETCH empCursor INTO empvalue;
DBMS_OUTPUT.PUT_LINE('EMPLOYEE ID IS:'||empvalue.employee_id);
CLOSE empCursor;
END;
/
<<<<<<<<<<<<[USING %FOUND, %NOTFOUND, %ISOPEN, %ROWCOUNT]>>>>>>>
// %NOTFOUND
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
area NUMBER(14,2);
CURSOR rad_cursor IS
SELECT * FROM RADIUS_VALS;
rad_val rad_cursor%ROWTYPE;
BEGIN
OPEN rad_cursor;
LOOP
/* Within the loop, fetch a racord. */
fetch rad_cursor into rad_val;
/* IF the fetch attempt revels no more. */
/* records in the cursor, then exit the loop. */
EXIT WHEN rad_cursor%NOTFOUND;
/* If the fetch attempt returned a record. */
/* then process the radius value and insert */
/* a record into the AREAS table . */
area := pi*power(rad_val.radius, 2);
INSERT INTO AREAS VALUES (rad_val.radius, 2);
DBMS_OUTPUT.PUT_LINE(concat('Radius is: ', rad_val.radius));
DBMS_OUTPUT.PUT_LINE(concat('Areas is: ',area));
END LOOP;
close rad_cursor;
end;
/
// %NOTFOUND
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
area NUMBER(14,2);
CURSOR rad_cursor IS
SELECT * FROM RADIUS_VALS;
rad_val rad_cursor%ROWTYPE;
BEGIN
OPEN rad_cursor;
LOOP
fetch rad_cursor into rad_val;
EXIT WHEN rad_cursor %NOTFOUND=true;
area := pi*power(rad_val.radius, 2);
INSERT INTO AREAS VALUES (rad_val.radius, 2);
DBMS_OUTPUT.PUT_LINE(concat('Radius is: ', rad_val.radius));
DBMS_OUTPUT.PUT_LINE(concat('Areas is: ',area));
END LOOP;
close rad_cursor;
end;
/
// %FOUND
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
area NUMBER(14,2);
CURSOR rad_cursor IS
SELECT * FROM RADIUS_VALS;
rad_val rad_cursor%ROWTYPE;
BEGIN
OPEN rad_cursor;
LOOP
fetch rad_cursor into rad_val;
EXIT WHEN rad_cursor %FOUND=false;
area := pi*power(rad_val.radius, 2);
INSERT INTO AREAS VALUES (rad_val.radius, 2);
DBMS_OUTPUT.PUT_LINE(concat('Radius is: ', rad_val.radius));
DBMS_OUTPUT.PUT_LINE(concat('Areas is: ',area));
END LOOP;
close rad_cursor;
end;
/
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<[LOOP]>>>>>>>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
radius INTEGER(5);
area NUMBER(14,2);
BEGIN
/* Specify the criteria for the number of loop executions. */
for radius in 1..7 loop
/* Calculate the area using the current Radius value. */
area := pi*power(radius,2);
/* Insert the area and radius values into the AREAS table. */
INSERT INTO AREAS values (radius, area);
/* Signal the end of the loop. */
end loop;
DBMS_OUTPUT.PUT_LINE('Successful');
end;
/
<<<<<<<<<<<<<<<<<<<<<<<<[WHILE LOOP]>>>>>>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
radius INTEGER(5);
area NUMBER(14,2);
BEGIN
radius := 3;
WHILE radius<=7
/* Begin the commands to be executed. */
LOOP
if radius mod 2!=0 then
area := pi*power(radius,2);
DBMS_OUTPUT.PUT_LINE(concat('Radius is:',radius));
DBMS_OUTPUT.PUT_LINE(concat('Areas is:', area));
end if;
radius := radius+1;
END LOOP;
end;
/
<<<<<<<<<<<<<<<<<<<<<<<<[IF/ELSE]>>>>>>>>>>>>>>>>>>>>>>>
DECLARE
v_gift varchar2(20);
c_retailprice NUMBER(5,2) := 29.95;
BEGIN
if c_retailprice > 56 THEN
v_gift := 'FREE SHIPPING';
ELSIF c_retailprice > 25 THEN
v_gift := 'BOOKCOVER';
ELSE
v_gift := 'BOOKMARKER';
END IF;
DBMS_OUTPUT.PUT_LINE('THE gift for a book costing'||c_retailprice||'is a'||v_gift);
END;
/
<<<<<<<<<<<<<<<<<[BASIC LOOP]>>>>>>>>>>>>>>>>>
DECLARE
v_counter number(1) :=0;
BEGIN
LOOP
v_counter := v_counter+1;
DBMS_OUTPUT.PUT_LINE('THE COURRENT value of the counter is: '|| v_counter);
EXIT WHEN v_counter = 4;
END LOOP;
END;
/
<<<<<<<<<<<<<<<<<<[FOR LOOP]>>>>>>>>>>>>>>>>>>>
SYSTAX:
FOR counter IN [reverse] lower_limit .. upper_limit
LOOP
sequence of statements;
END LOOP;
BEGIN
FOR i IN 1..10 LOOP
DBMS_OUTPUT.PUT_LINE('THE CURRENT VALUE OF THE COUNTER IS ' ||i);
END LOOP;
END;
/
<<<<<<<<<<<<<<<[WHILE LOOP(if condition is true then exit)]>>>>>>>>>>>>>>
Syntax:
WHILE condition LOOP
Statements;
END LOOP;
DECLARE
v_counter NUMBER(2) := 0;
BEGIN
WHILE v_counter < 15
LOOP
DBMS_OUTPUT.PUT_LINE('THE CURRENT VALUE OF THE COUNTER IS '|| v_counter);
v_counter := v_counter + 1;
END LOOP;
END;
/
<<<<<<<<<<<<<<<<<<<<<[INSERT to table using simple loop]>>>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant number(9,7) := 3.1415247;
radius INTEGER(5);
area NUMBER(14,2);
BEGIN
radius := 3;
LOOP
area := pi*power(radius,2);
INSERT INTO AREAS VALUES(radius, area);
radius := radius+1;
exit when area > 100;
end loop;
DBMS_OUTPUT.PUT_LINE('Value Inserted');
end;
/
<<<<<<<<<<<<<<<<<<<<<[INSERT to table using for loop]>>>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant number(9,7) := 3.1415162;
radius INTEGER(5);
area NUMBER(14,2);
vcount number(3) default 0;
BEGIN
for radius in 1..7
LOOP
area := pi*power(radius,2);
vcount := vcount + 1;
insert into areas values (radius, area);
DBMS_OUTPUT.PUT_LINE('VALUE INSERTED: '||vcount);
end LOOP;
DBMS_OUTPUT.PUT_LINE('INSERTED SUCCESSFUL');
end;
/
<<<<<<<<<<<<<<<<<[INSERT to table using for loop(REVERSE)]>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
radius integer(5);
area number(14,2);
BEGIN
for radius in 1..7
LOOP
area := pi*power(radius,2);
INSERT INTO AREAS VALUES(radius, area);
DBMS_OUTPUT.PUT_LINE('Radius is: '||radius);
END LOOP;
end;
/
<<<<<<<<<<<<<<<<<[Simple While LOOP]>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.1415166;
radius INTEGER(5) default 0;
area NUMBER(14,2) default 0;
BEGIN
DBMS_OUTPUT.PUT_LINE('****************************************');
radius := 3;
while area<100
LOOP
area := pi*power(radius,2);
DBMS_OUTPUT.PUT_LINE(concat('Radius is: ', radius));
DBMS_OUTPUT.PUT_LINE(concat('Areas is: ', area));
radius := radius+1;
END LOOP;
DBMS_OUTPUT.PUT_LINE('BY:JUBAYER');
end;
/
<<<<<<<<<<<<<<<<<<<<<<<[Nested LOOPS]>>>>>>>>>>>>>>>>>>>>>>>>>>>
DECLARE
v_counter NUMBER(2) := 0;
BEGIN
while v_counter < 3 LOOP
FOR i IN 1 .. 2 LOOP
DBMS_OUTPUT.PUT_LINE('THE courrent value of the for loop is '||i);
END LOOP;
DBMS_OUTPUT.PUT_LINE('The current value of the WHILE counter is '|| v_counter);
v_counter := v_counter + 1;
END LOOP;
END;
/
<<<<<<<<<<<<<<<<<<<<<<<[CONTINUE]>>>>>>>>>>>>>>>>>>>>>>>>>>>
DECLARE
pi constant NUMBER(9,7) := 3.1415927;
radius INTEGER(5);
area NUMBER(14,2);
BEGIN
radius := 0;
LOOP
radius := radius+1;
continue when radius = 2;
area := pi*power(radius,2);
DBMS_OUTPUT.PUT_LINE(concat(radius, area));
exit when area >100;
END LOOP;
end;
/
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