![How does database pessimistic locking interact with INSERT, UPDATE, and DELETE SQL statements - Vlad Mihalcea How does database pessimistic locking interact with INSERT, UPDATE, and DELETE SQL statements - Vlad Mihalcea](https://vladmihalcea.com/wp-content/uploads/2017/02/predicatelockinsertmysql1.png)
How does database pessimistic locking interact with INSERT, UPDATE, and DELETE SQL statements - Vlad Mihalcea
![mysql copy and insert rows in same table with new primary key and sequence number - Database Administrators Stack Exchange mysql copy and insert rows in same table with new primary key and sequence number - Database Administrators Stack Exchange](https://i.stack.imgur.com/Zwsun.jpg)
mysql copy and insert rows in same table with new primary key and sequence number - Database Administrators Stack Exchange
![indexing - MySql - innodb - How row level lock on composite key worked in simple words - Stack Overflow indexing - MySql - innodb - How row level lock on composite key worked in simple words - Stack Overflow](https://i.stack.imgur.com/iFSzt.png)
indexing - MySql - innodb - How row level lock on composite key worked in simple words - Stack Overflow
![MySQL engine features - about InnoDB transaction locks (3) - Alibaba Cloud Developer Forums: Cloud Discussion Forums MySQL engine features - about InnoDB transaction locks (3) - Alibaba Cloud Developer Forums: Cloud Discussion Forums](https://intl.aliyun.com/forum/attachment/1611/thread/21_634_141deeb0748c6e3.png)