Correct Answer : To delete a record from the database
Explanation : The DLET (Delete) command is used in an IMS DB system to delete a record from the database. It is used when the application program no longer needs the information in the record and wants to remove it from the database.
Correct Answer : LANG
Explanation : The LANG parameter specifies the language in which the application program is written, e.g., COBOL.
Correct Answer : A file that contains the database records
Explanation : In an IMS DB system, a VSAM (Virtual Storage Access Method) dataset is a file that contains the database records. It is used to store the data for the database.
Correct Answer : The segment name which is being used for processing.
Explanation : The first 8 bytes of unqualified SSA holds the segment name which is being used for processing.