Mainframe Testing Engineer Interview Questions and Answers

Use SQL query with ORDER BY and LIMIT to find the 2nd highest salary in a table.

• Use ORDER BY clause to sort the salaries in descending order

• Use LIMIT 1,1 to get the second highest salary

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1,1

Job abends are abnormal ends to a job or program due to errors or exceptions.

• Job abends can occur due to syntax errors in JCL or COBOL programs.

• Data errors or invalid input can also cause job abends.

• Resource constraints like lack of memory or disk space can lead to job abends.

• Unexpected system failures or interruptions can result in job abends.

• Examples include S0C7 (Data exception), S0C4 (Protection exception), and S522 (Insufficient space).