In this chapter Introduction Global LST parameters for BQL Dynamic database extension Merging concatenated VSAM datasets Sharing databases with the BQL share option Serialization Activating IBM's Global Resource Serialization (GRS) Synchronization file (SYNC) BnnCLSYN: Cleaning the SYNC file Notes on model spool file definitions JCL for BSA database batch utilities BST05CMD: Updating the database definition file BST05UPF: Updating file information in the database definition file Example: Activating database mirroring Example: Deactivating database mirroring BST05LAU: Locking and unlocking a BQL database Loading data into a BQL database (BST05DBL) Unloading data from a BQL database (BST05DBL) Formatting a database component (BST05FOR) Building or rebuilding keys for a table (BST05DBL) Deleting the contents of a table, key, or file (BST05DBL) BST05ANA: Database analysis and repair utility BST08OCP: Copying/Checking/Repairing/Restoring archive files Using concurrent copy to back up a running BQL database