Release 10.1A: OpenEdge Development:
Progress 4GL Handbook

> ## Lock table resources

> `SHARE-LOCK`s and `EXCLUSIVE-LOCK`s 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. Progress stops a program if it attempts to access a record that causes it to overflow the lock table.

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