there are 2 variables called x and y ,x contains 1,2 and y
contains 3,4 we have to swap the values from x to y and y
to x with out using dummy variables and it can be done only
by using a single statement ? how?
Answers were Sorted based on User's Feedback
Answer / parivesh sinha
declare
x number:=1;
x1 number:=2;
y number:=3;
y1 number:=4;
begin
x := y1- y;
dbms_output.put_line (x);
x1 := y1+1 - y;
dbms_output.put_line (x1);
y := x +x1;
dbms_output.put_line (y);
y1 := x1+1 +x;
dbms_output.put_line (y1);
end;
| Is This Answer Correct ? | 0 Yes | 4 No |
Answer / santhi k
IN ORACLE...
SELECT DECODE(X,X,Y)X,DECODE(Y,Y,X)Y FROM TABLENAME;
| Is This Answer Correct ? | 0 Yes | 6 No |
How do I run a script in sql developer?
I WANT INFORMATION ABOUT SAS SOFTWARE USING FINANCIAL COMPANIES LIST, PLESE GIVE ME DETAILS ABOUT
What is a sql schema used for?
What is sqlca in db2?
Is sql better than access?
What is a file delimiter?
Is it possible to update views?
What is Primary Key?
What is Data Concarency and Consistency?
What is embedded sql in db2?
what is called after appearing where clause
What are the two virtual tables available at the time of database trigger execution?
Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)