SAP Library - SAP Lock Concept

Start Level 1 Node: SAP Lock Concept

SAP Lock Concept

End Level 1 Node: SAP Lock Concept

Start Level 2 Node: Relationship Between SAP Locks and Database Locks

Relationship Between SAP Locks and Database Locks

End Level 2 Node: Relationship Between SAP Locks and Database Locks

Start Level 2 Node: Enqueue Server

End Level 2 Node: Enqueue Server

Start Level 2 Node: Lock Owners

End Level 2 Node: Lock Owners

Start Level 2 Node: _SCOPE Parameters

_SCOPE Parameters

End Level 2 Node: _SCOPE Parameters

Start Level 2 Node: Lock Table

End Level 2 Node: Lock Table

Start Level 2 Node: Collision Check of Locks

Collision Check of Locks

End Level 2 Node: Collision Check of Locks

Start Level 2 Node: Cumulating Locks

Cumulating Locks

End Level 2 Node: Cumulating Locks

Start Level 2 Node: Optimistic Locks

Optimistic Locks

End Level 2 Node: Optimistic Locks

Start Level 3 Node: How Optimistic Locks Work

How Optimistic Locks Work

End Level 3 Node: How Optimistic Locks Work

Start Level 3 Node: Optimistic Lock Conflicts

Optimistic Lock Conflicts

End Level 3 Node: Optimistic Lock Conflicts

Start Level 3 Node: Programming with Optimistic Locks

Programming with Optimistic Locks

End Level 3 Node: Programming with Optimistic Locks

Start Level 3 Node: Example: Infinite Transaction with Update

Example: Infinite Transaction with Update

End Level 3 Node: Example: Infinite Transaction with Update

Start Level 2 Node: Example: Using the Check Lock Modes

Example: Using the Check Lock Modes

End Level 2 Node: Example: Using the Check Lock Modes

Start Level 2 Node: Frequently Asked Questions: Lock Concept

Frequently Asked Questions: Lock Concept

End Level 2 Node: Frequently Asked Questions: Lock Concept