Olive Bar & Kitchen Interview Questions and Answers

No, there is no mandatory condition to call a program in COBOL.

• In COBOL, a program can be called without any mandatory conditions.

• The CALL statement is used to call a program in COBOL.

• The called program can be executed based on the logic written within it.

• Example: CALL 'PROGRAM-NAME' USING parameters.

COND parameter is used to specify the condition code value of the previous step to determine the execution of the current step.

• It is used in JCL statements like IF, ELSEIF, and COND.

• It can be used to execute a step conditionally based on the return code of the previous step.

• It can also be used to skip a step based on the return code of the previous step.

• The syntax for COND parameter is COND=(code, operator, stepname).

SQL CA stands for SQL Communications Area, which is a data structure used in mainframe programming to communicate between programs and the DB2 database.

• SQL CA contains information about the SQL statement being executed, such as SQLCODE, SQLSTATE, and error messages.

• It is used to pass information between the application program and the DB2 database.

• SQL CA is typically defined in the working storage section of a COBOL program.

• Example: EXEC SQL INCLUDE SQLCA END-EXEC

Restart logic in db2

• Restart logic is used to recover from system or application failures

• It involves identifying the point of failure and restarting from that point

• In DB2, restart logic is implemented using the RESTART and CONTINUE options

• RESTART option starts the application from the beginning of a unit of work

• CONTINUE option resumes the application from the point of failure

Handling complex situations in projects requires problem-solving skills, communication, and collaboration.

• Identify the root cause of the complexity

• Break down the problem into smaller tasks

• Collaborate with team members to brainstorm solutions

• Communicate effectively with stakeholders to manage expectations

• Prioritize tasks based on urgency and impact