The SAP Lock Concept (BC-CST-EQ)
The SAP Lock Concept (BC-CST-EQ)
Content
The SAP Lock Concept (BC-CST-EQ)
SAP Lock Concept
Relationship Between SAP Locks and Database Locks
Enqueue Server
Lock Owners
_SCOPE Parameters
Lock Table
Collision Check of Locks
Cumulating Locks
Optimistic Locks
How Optimistic Locks Work
Optimistic Lock Conflicts
Programming with Optimistic Locks
Example: Infinite Transaction with Update
Example: Using the Check Lock Modes
Frequently Asked Questions: Lock Concept
Important Profile Parameters for the Lock Concept
Managing Lock Entries
Selecting and Displaying Lock Entries
Deleting Lock Entries
Testing for Locking Problems
Displaying Lock Statistics
Subsequent Analysis of Lock Table Overflows
Analyzing and Solving Problems