How to avoid no data found exception in ORAcle?
Answer: To prevent the PLSQL code from dropping to the exception code when a record is not found, you’ll have to perform a count first to determine the number of records that will be returned. For example: — Check to make sure that at least one record is returned SELECT COUNT(1) INTO v_count FROM sales.
What does no data found mean?
Cause: In a host language program, all records have been fetched. The return code from the fetch was +4, indicating that all records have been returned from the SQL query.
How to handle ORA-01403 no data found?
Handle ORA-01403: no data found
- Error. ORA-01403: no data found.
- Cause: Table does not have data according to where condition.
- Solution: In PL/SQL you can use the exceptional handling with NO DATA FOUND or SQL CODE.
- SQLCODE value is 100 when NO DATA FOUND. SQL> SET SERVEROUTPUT ON.
- SQLCODE is 0 when successfully done.
How do you resolve divisor equal to zero in Oracle?
There are many ways to handle this error in Oracle.
- The first and foremost way is to enforce the business logic and try to ensure that the field doesn’t contain a 0 in the first place.
- Use the DECODE function DECODE(FIELD2,0,0,((FIELD1/FIELD2)*100))
- User ZERO_DIVIDE to handle a zero divisor error.
How do you handle no data in SQL?
SOLUTION: When you use SELECT INTO statement, your PL/SQL code should be written to handle ORA-1403 exception. PL/SQL raises the predefined exception NO_DATA_FOUND if a SELECT INTO statement returns no rows. Following is the example which wrap up the SELECT INTO clause in proper exception handler.
How do you fix a divisor equal to zero?
This ORA-01476 errors are related with the expression attempted to divide by zero. To solve this error, don’t use to divide by ZERO value, Use another value instead of ZERO. Or you can use NULLIF function to solve this error.