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https://dev.mysql.com/doc/connector-j/en/connector-j-connp-props-high-availability-and-clustering.html
autoReconnect Should the driver try to re-establish stale and/or dead connections? If enabled the driver will throw an exception for queries issued on a stale or dead connection, which belong to the current transaction, but will attempt reconnect ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-troubleshooting.html
This section explains the symptoms and resolutions for the most commonly encountered issues with applications using MySQL Connector/J. Questions 16.1: When I try to connect to the database with MySQL Connector/J, I get the following exception: ...
https://dev.mysql.com/doc/refman/8.4/en/audit-log-file-formats.html
The MySQL server calls the audit log plugin to write an audit record to its log file whenever an auditable event occurs. Typically the first audit record written after plugin startup contains the server description and startup options. Elements ...
https://dev.mysql.com/doc/refman/8.4/en/can-not-connect-to-server.html
A MySQL client on Unix can connect to the mysqld server in two different ways: By using a Unix socket file to connect through a file in the file system (default /tmp/mysql.sock), or by using TCP/IP, which connects through a port number. A Unix ...
https://dev.mysql.com/doc/refman/8.4/en/cast-functions.html
Table 14.15 Cast Functions and Operators Name Description Deprecated BINARY Cast a string to a binary string Yes CAST() Cast a value as a certain type CONVERT() Cast a value as a certain type Cast functions and operators enable conversion of values ...
https://dev.mysql.com/doc/refman/8.4/en/charset-literal.html
Every character string literal has a character set and a collation. For the simple statement SELECT 'string', the string has the connection default character set and collation defined by the character_set_connection and collation_connection system ...
https://dev.mysql.com/doc/refman/8.4/en/command-line-options.html
Program options specified on the command line follow these rules: Options are given after the command name. An option argument begins with one dash or two dashes, depending on whether it is a short form or long form of the option name. For example, ...
https://dev.mysql.com/doc/refman/8.4/en/communication-errors.html
If connection problems occur such as communication errors or aborted connections, use these sources of information to diagnose problems: The error log. The host cache, which is accessible using the Performance Schema host_cache table. See Section ...
https://dev.mysql.com/doc/refman/8.4/en/data-masking-plugin-functions.html
The MySQL Enterprise Data Masking and De-Identification plugin library includes several functions, which may be grouped into these categories: Data Masking Plugin Functions Random Data Generation Plugin Functions Random Data Dictionary-Based Plugin ...
https://dev.mysql.com/doc/refman/8.4/en/data-types.html
MySQL supports SQL data types in several categories: numeric types, date and time types, string (character and byte) types, spatial types, and the JSON data type. This chapter provides an overview and more detailed description of the properties of ...