Case Control Statements in PLSQL


--====================================================
Control Statements
types of control statements as below
1. IF Control statements
2. CASE Control Statements
   
1.Simple CASE Statement
2.Searched CASE Statement

--====================================================
CASE CONTROL STATEMENTS :- Type:-1. (Simple CASE Statement)

CASE selector
WHEN selector_value_1 THEN statements_1
WHEN selector_value_2 THEN statements_2
.
.
WHEN selector_value_n THEN statements_n
ELSE   else_statements
END CASE;

--====================================================
Example:-
--======

DECLARE
  V_grade CHAR(1);
BEGIN
  V_grade := :Grade;

  CASE V_grade
    WHEN 'A' THEN DBMS_OUTPUT.PUT_LINE('Excellent');
    WHEN 'B' THEN DBMS_OUTPUT.PUT_LINE('Very Good');
    WHEN 'C' THEN DBMS_OUTPUT.PUT_LINE('Good');
    WHEN 'D' THEN DBMS_OUTPUT.PUT_LINE('Fair');
    WHEN 'F' THEN DBMS_OUTPUT.PUT_LINE('Poor');
    ELSE DBMS_OUTPUT.PUT_LINE('No such GRADE');
  END CASE;
END;


--====================================================
CASE CONTROL STATEMENTS :- Type:-2. (Searched CASE Statement)

CASE
WHEN condition_1 THEN statements_1
WHEN condition_2 THEN statements_2
.
.
WHEN condition_n THEN statements_n
ELSE   else_statements
END CASE;

--====================================================
Example:-
--======

DECLARE
  V_grade CHAR(1);
BEGIN
  V_grade := :Grade;
 
  CASE
    WHEN V_grade = 'A' THEN DBMS_OUTPUT.PUT_LINE('Excellent');
    WHEN V_grade = 'B' THEN DBMS_OUTPUT.PUT_LINE('Very Good');
    WHEN V_grade = 'C' THEN DBMS_OUTPUT.PUT_LINE('Good');
    WHEN V_grade = 'D' THEN DBMS_OUTPUT.PUT_LINE('Fair');
    WHEN V_grade = 'F' THEN DBMS_OUTPUT.PUT_LINE('Poor');
    ELSE DBMS_OUTPUT.PUT_LINE('No such V_grade');
  END CASE;
END;


--====================================================
Example :-  EXCEPTION Instead of ELSE Clause in CASE Statement
--====================================================

DECLARE
  V_grade CHAR(1);
BEGIN
  V_grade := 'B';
 
  CASE
    WHEN V_grade = 'A' THEN DBMS_OUTPUT.PUT_LINE('Excellent');
    WHEN V_grade = 'B' THEN DBMS_OUTPUT.PUT_LINE('Very Good');
    WHEN V_grade = 'C' THEN DBMS_OUTPUT.PUT_LINE('Good');
    WHEN V_grade = 'D' THEN DBMS_OUTPUT.PUT_LINE('Fair');
    WHEN V_grade = 'F' THEN DBMS_OUTPUT.PUT_LINE('Poor');
  END CASE;
EXCEPTION
  WHEN CASE_NOT_FOUND THEN
    DBMS_OUTPUT.PUT_LINE('No such V_grade');
END;





Comments

Post a Comment

Popular posts from this blog

E-Text Report In Fusion | Types of E-Text reports

 WHAT IS Oracle Fusion E-Text Report ? An eText template is an RTF-based template that is used to generate text output  for Electronic Funds Transfer (EFT) and Electronic Data Interchange (EDI). How it generate the output for User or Bank? At runtime, BI Publisher applies this template to an input XML data file to create an output text file. that can be transmitted to a bank or other customer.  Because the output is intended for electronic communication, the eText templates must follow very specific format instructions for exact placement of data. Example :- Bank payment file , Bank MT940 File .. etc what is look and feel of this file ? Note:  There are two types of eText templates:  1. fixed-position based (EFT templates)  2. Delimiter-based (EDI templates) What IS EFT File? An EFT is an electronic transmission of financial data and payments to banks in a specific fixed-position format flat file (text). Link for download:- EFT :-  https://docs.google....
Read more

Supplier API's

API's for Create Supplier, Create Supplier Site, Create Supplier Site Contacts --======================================================================= -------------Supplier API ------------- 1. First Write a CURSOR for Required Data 2. FND_GLOBAL.APPS_INITIALIZE 3. Pass required Values in Proper way. 4. API :- For Supplier Create (pos_vendor_pub_pkg.create_vendor)    API :- For Supplier Site Create (pos_vendor_pub_pkg.create_vendor_site)    API :- For Supplier Create Contact (ap_vendor_pub_pkg.create_vendor_contact) 5. Run API 6. Checking ------------------------------  Query For APPS_INITIALIZE   --------------------------------------------- select 'USER_ID' REMARKS , user_name NAME, user_id ID from fnd_user where user_name like 'DEVELOPER' union select 'RESPONSIBILITY_ID' NAME, responsibility_name , RESPONSIBILITY_ID from fnd_responsibility_tl where responsibility_name like 'Payables Manager' union s...
Read more

How to pass default Parameter in cursor

--==================================================== --Parameterized Cursors /* Syntax of Parameterized Cursor :- CURSOR cur _ name (parameter list may be one, two, or more or Default ) IS SELECT statement; OPEN cur _ name (Parameter value) */ EMPNO ENAME HIREDATE DOB GENDER SAL DEPTNO COMM 1000 Sachin 11-Sep-85 01-Mar-20 M 25000 20 1002 Rena 01-Aug-82 11-Mar-20 F 125000 20 1008 Sonu 11-Sep-85 01-Mar-20 M 2500 10 100 1003 Chavi 25-Mar-81 15-Feb-20 F 5000 20 1006 Ravi 11-Sep-89 01-Mar-19 M 2500 10 100 1005 Vinod 18-Sep-86 01-Mar-20 ...
Read more