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https://dev.mysql.com/doc/connector-j/en/connector-j-opentelemetry.html
This simple demonstration contains a class OTelDemo, which creates a connection to the Sakila database and executes an SQL SELECT statement that returns five rows from the table film. OpenTelemetry is a set of APIs, libraries, agents, and ...
https://dev.mysql.com/doc/connector-j/en/connector-j-session-state-tracker.html
Connector/J can receive information on client session state changes tracked by the server if the tracking has been enabled on the server. The reception of the information is enabled by setting the Connector/J connection property trackSessionState ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-j2ee-concepts-load-balancing-failover.html
Your application may use temporary tables, server-side session state variables, or connection state, where letting the driver arbitrarily swap physical connections before processing is complete could cause data loss or other problems. Connector/J ...
https://dev.mysql.com/doc/refman/8.4/en/adding-collation-choosing-id.html
The collation ID that you choose appears in these contexts: The ID column of the Information Schema COLLATIONS table. To add a collation, you must choose an ID value that is not currently used. The range of IDs from 1024 to 2047 is reserved for ...
https://dev.mysql.com/doc/refman/8.4/en/adding-collation-simple-8bit.html
</charset> In the latin1.xml configuration file, add a <collation> element that names the collation and that contains a <map> element that defines a character code-to-weight mapping table for character codes 0 to 255. This section describes how to ...
https://dev.mysql.com/doc/refman/8.4/en/adding-collation.html
The value that it returns to indicate weights is a binary string, so it is convenient to use HEX(WEIGHT_STRING(str)) to display the weights in printable form. Warning User-defined collations are deprecated; you should expect support for them to be ...
https://dev.mysql.com/doc/refman/8.4/en/alter-server.html
ALTER SERVER server_name OPTIONS (option [, option] ...) Alters the server information for server_name, adjusting any of the options permitted in the CREATE SERVER statement. For example, to update the USER option: ALTER SERVER s OPTIONS (USER ...
https://dev.mysql.com/doc/refman/8.4/en/ansi-diff-update.html
If you access a column from the table to be updated in an expression, UPDATE uses the current value of the column. The second assignment in the following statement sets col2 to the current (updated) col1 value, not the original col1 value. The ...
https://dev.mysql.com/doc/refman/8.4/en/arithmetic-functions.html
Table 14.9 Arithmetic Operators Name Description %, MOD Modulo operator * Multiplication operator + Addition operator - Minus operator - Change the sign of the argument / Division operator DIV Integer division The usual arithmetic operators are ...
https://dev.mysql.com/doc/refman/8.4/en/assignment-operators.html
Table 14.6 Assignment Operators Name Description := Assign a value = Assign a value (as part of a SET statement, or as part of the SET clause in an UPDATE statement) := Assignment operator. Causes the user variable on the left hand side of the ...