In MySQL, replication is basically the slave server reading binary logs on the master server then running the statements or applying blocks to the slave server. The short answer is: Mutexes are mutually exclusive locks and are designed to prevent concurrent access to resources that in doing so may result in unsafe conditions. Other rows update okay. Name_locked: 1 if the table is name-locked, e.g. Click to see full answer. Conclusion. Using MySQL BinLogs: A Detailed Guide - Hevo Data SHOW INNODB STATUS walk-through - Percona Database Performance Blog MySQL Bugs: #23666: strange Innodb_row_lock_time_% values in show ... Description: Hello, I think i meet a bug when I try to run a "SELECT FOR UPDATE" statement with a "LIMIT" clause and a complex "ORDER BY" clause (i.e using a filesort). In our example, you can see that Alice has selected and locked the Post entities with the id values of 0 and 1 while Bob selects and locks the Post records with the id values of 3 and 4. Best practices for configuring parameters for Amazon RDS for MySQL ... SELECT can also be used to retrieve rows computed without reference to any table. sp_lock (Transact-SQL) - SQL Server | Microsoft Docs Step 2: Second, create a SQL statement that includes count query for all tables . Related. MySQL Show Users: A How-To Guide with Examples - Database Star mysql row lock - Code World It covers the basics of MySQL programming with Python. Beginners Guide to Transactions and Locking in MySQL Engine. Finding total number of rows of tables across multiple databases in MySQL? In your sql terminal run this update command. Step 3 — Restarting the Database Server Without Permission Checking. SHOW OPEN TABLES [FROM db_name] [LIKE 'pattern' | WHERE expr] . MySQL, getting "Rows Examined" - Databases forum at WebmasterWorld ...