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https://dev.mysql.com/doc/refman/5.7/en/faqs-information-schema.html
You may also find the MySQL User Forums to be helpful. Is there a discussion forum for INFORMATION_SCHEMA? See the MySQL User Forums. Where can I find documentation for the MySQL INFORMATION_SCHEMA database? A.7.2. Where can I find the ANSI SQL 2003 ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-security.html
Where can I find documentation that addresses security issues for MySQL? A.9.2. Is SSL support built into MySQL binaries, or must I recompile the binary myself to enable it? A.9.5. Does MySQL include support for Roles Based Access Control (RBAC)? ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-locking-reads.html
Here, LOCK IN SHARE MODE is not a good solution because if two users read the counter at the same time, at least one of them ends up in deadlock when it attempts to update the counter. If you query data and then insert or update related data within ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-performance-thread_concurrency.html
InnoDB uses operating system threads to process requests from user transactions. When InnoDB receives a new request from a user session, if the number of threads concurrently executing is at a pre-defined limit, the new request sleeps for a short ...(Transactions may issue many requests to InnoDB before they commit or roll back.) On modern operating systems and servers with multi-core processors, where context switching is efficient, most workloads run well without any limit on the number of concurrent ...
https://dev.mysql.com/doc/refman/5.7/en/internal-locking.html
Row-Level Locking Table-Level Locking Choosing the Type of Locking Row-Level Locking MySQL uses row-level locking for InnoDB tables to support simultaneous write access by multiple sessions, making them suitable for multi-user, highly concurrent, ...
https://dev.mysql.com/doc/refman/5.7/en/introduction.html
The MySQL software delivers a very fast, multithreaded, multi-user, and robust SQL (Structured Query Language) database server. Users can choose to use the MySQL software as an Open Source product under the terms of the GNU General Public License ...MySQL Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed ...
https://dev.mysql.com/doc/refman/5.7/en/linux-installation-debian.html
Users who want to set a password later can leave the password field blank in the dialogue box and just press OK; in that case, root access to the server is authenticated using the MySQL Socket Peer-Credential Authentication Plugin for connections ...
https://dev.mysql.com/doc/refman/5.7/en/locking-functions.html
The OBJECT_TYPE column says USER LEVEL LOCK and the OBJECT_NAME column indicates the lock name. When this happens, the server chooses a caller and terminates its lock-acquisition request with an ER_USER_LOCK_DEADLOCK error. While held by one ...
https://dev.mysql.com/doc/refman/5.7/en/macos-installation-prefpane.html
You may be prompted for the username and password of a user with administrator privileges to start the MySQL server. You may be prompted for the username and password of a user with administrator privileges to stop the MySQL server. The MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-error-messages.html
The error_messages table provides information about The error_messages table contains the following columns: error_code Numeric error code error_description Description of error error_status Error status code error_classification Error ...