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A deadlock occurs when concurrent processes are competing for locks on the same resources. For example, assume Program1 holds a lock on row 3 and is requesting a lock on row 7. If Program2 holds a lock on row 7 and is requesting a lock on row 3, processing cannot continue; it is deadlocked.

File locking and record locking are really the same thing, except that file locking blocks access to the whole file, while record locking blocks access to only a specified segment of the file.

But To enable this feature, from Setup, enter Process Automation Settings in the Quick Find box, then click Process Automation Settings. Then, select Enable record locking and unlocking in Apex.

Lock/Unlock Record Using Apex In Salesforce Step 1: Enable record locking and unlocking in Apex. Go to setup. Search for Process Automation setting. ... Step 2: Now you can use apex lock() and unlock() in your custom codes. Example:

Records when submitted for approval automatically get locked which means they cannot be edited. However, administrators can edit the records during an approval process and also when defining the approval process administrators can select whether the approver is allowed to edit the record or not.

Record locking is the technique of preventing simultaneous access to data in a database, to prevent inconsistent results. The classic example is demonstrated by two bank clerks attempting to update the same bank account for two different transactions.

In Microsoft Access, record locking is a feature that prevents multiple users from editing the same record at the same t. Paul Strauss. Website Programmer (2002?present) Author has 96 answers and 198.5K answer views 5y.