- GLOBAL VARIABLES are database objects to save a single value at a time(like DTAARA object)
- They can be accessed and modified using SQL statements.
- Their definition (only definition, not actual value) is stored in the database catalogs.
- The reason for this is that global variables have a session scope.
- This means that every session can use the GLOBAL VARIABLES that exist in the catalogs, but each session has its own private value that it can manipulate and…