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https://dev.mysql.com/doc/refman/8.4/en/locking-functions.html
Returns 1 if the lock was obtained successfully, 0 if the attempt timed out (for example, because another client has previously locked the name), or NULL if an error occurred (such as running out of memory or the thread was killed with mysqladmin ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-geohash-functions.html
Unless otherwise specified, functions in this section handle their geometry arguments as follows: If any argument is NULL, the return value is NULL. Geohash is a system for encoding latitude and longitude coordinates of arbitrary precision into a ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-info.html
String format: Records: 3 Duplicates: 0 Warnings: 0 LOAD DATA String format: Records: 1 Deleted: 0 Skipped: 0 Warnings: 0 ALTER TABLE String format: Records: 3 Duplicates: 0 Warnings: 0 UPDATE String format: Rows matched: 40 Changed: 40 Warnings: 0 ... const char * mysql_info(MYSQL *mysql) Description Retrieves a string providing information about the most recently executed statement, but only for the statements listed ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-8-0-28.html
(Bug #105516, Bug #33556024) When reading zero time values from TIME NOT NULL columns, the data reader could return a NULL value instead of zero, causing subsequent GetTimeSpan() calls to fail. Now, if Connector/NET encounters NULL when reading the ... Deprecation and Removal Notes Functionality Added or Changed Bugs Fixed Deprecation and Removal Notes The TLSv1 and TLSv1.1 connection protocols were previously deprecated in Connector/NET 8.0.26 and support for them is removed starting with this ...
https://dev.mysql.com/doc/x-devapi-userguide/en/working-with-metadata.html
Results contain metadata related to the origin and types of results from relational queries. This metadata can be used by applications that need to deal with dynamic query results or format results for transformation or display. An array of columns ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-js/en/working-with-metadata.html
Results contain metadata related to the origin and types of results from relational queries. This metadata can be used by applications that need to deal with dynamic query results or format results for transformation or display. An array of columns ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-python/en/working-with-metadata.html
Results contain metadata related to the origin and types of results from relational queries. This metadata can be used by applications that need to deal with dynamic query results or format results for transformation or display. An array of columns ...
https://dev.mysql.com/doc/refman/8.4/en/data-size.html
It makes SQL operations faster, by enabling better use of indexes and eliminating overhead for testing whether each value is NULL. If you really need NULL values in your tables, use them. Just avoid the default setting that allows NULL values in ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-information-schema-system-tables.html
row *************************** TABLE_ID: 71 NAME: col1 POS: 0 MTYPE: 6 PRTYPE: 1027 LEN: 4 HAS_DEFAULT: 0 DEFAULT_VALUE: NULL *************************** 2. row *************************** TABLE_ID: 71 NAME: col2 POS: 1 MTYPE: 2 PRTYPE: 524542 LEN: ... You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-session.html
Session extends AutoCloseable so it can be used in the try-with-resources pattern. This pattern allows the application to create a session in the try declaration and regardless of the outcome of the try/catch/finally block, clusterj will clean up ...