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ABL Essentials
Handling Data and Locking Records : Record locking in ABL : Lock table resources

Lock table resources

SHARE-LOCKs and EXCLUSIVE-LOCKs use up entries in a lock table maintained by the database manager. The possible number of entries in the lock table defaults to 500. You can change this number using the Lock Table Entries (-L) startup parameter for your OpenEdge session. The AVM stops a program if it attempts to access a record that causes it to overflow the lock table.