Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect)...

Optimistic vs. Pessimistic locking...

Could there be a deadlock when using optimistic locking?...

Pessimistic Locking in Spring Data JDBC...

Conflict handling for write operations during pessimistic lock transaction in Firestore...

How to run Firestore server-side pessimistic lock transactions in a project using Dart...

"Select for update" and update with pessimistic locking...

Why Spring Data JPA Pessimistic lock not working as expected?...

catching ConstraintViolationException and handling unque constraints...

Generate sequence number without gaps by multiple app instances...

How to unlock @Lock(LockModeType.PESSIMISTIC_WRITE) if there is no transaction...

does with_lock lock everything inside the block?...

Is there a limit for row lock in MySql 5.7?...

Why PostgreSQL throws concurrent update error while SELECT FOR UPDATE SKIP LOCKED?...

How are locking mechanisms (Pessimistic/Optimistic) related to database transaction isolation levels...

Laravel lockforupdate (Pessimistic Locking)...

How does Hibernate do row version check for Optimistic Locking before committing the transaction...

Can we prevent reading of rows from db table that are exclusively locked?...

How to use "pessimistic" Couchbase locking with the C API?...

Spring Data JPA - Pessimistic Locking Not Working...

Spring Data JPA - Best Way to Update Concurrently Accessed "Total" Field...

Deadlock in transaction with isolation level serializable...

Is it possible to "lock" and "unlock" a pessimistic lock in two different method...

How does pessimistic locking work across requests in Rails?...

Why Pessimistic triggers a deadlock...

Hibernate PESSIMISTIC_WRITE not locking db and returning oldValue...

PESSIMESTIC LOCK is not working with Spring Data accessing MySQL...

Pessimistic Write Locking not working in Hibernate...

JPA Pessimistic Lock attempt never times out...

Optimistic concurrency control and write skew...