COBOL SORT files are common functionalities of COBOL applications. Sorting is required for sequential processing as the files need to…
The VSAM EXPORT-IMPORT commands are usually used to take the backup and recovery. The EXPORT option is used to export…
VSAM cluster should be deleted using IDCAMS utility. VSAM DELETE command can be used to delete the VSAM or non-VSAM objects…
The VSAM VERIFY command is used to verify, and if necessary, update, the end of file information in the VSAM…
VSAM PRINT command is used to print the contents of VSAM or non-VSAM datasets. Contents can be printed in various…
VSAM REPRO command is used to copy data from one file(Input file) to another file(Output file). Input & Output files…
VSAM Alternate index is the additional index that is created for KSDS/ESDS datasets (but not RRDS or extended ESDS) in…
VSAM DEFINE CLUSTER is used to define attributes for the cluster as a whole or for the components like data…
SQL Subqueries with IN or NOT IN check is similar to the ANY and SOME checks. Use the IN clause for multiple-record,…
SQL Subqueries are also called inner queries or inner select or a nested queries. The statement containing the subquery is…