Search Results
https://dev.mysql.com/doc/internals/en/sql-directory.html
Programs for handling SQL commands. The "core" of MySQL. These are the .c and .cc files in the sql directory: derror.cc --- read language-dependent message file des_key_file.cc --- load DES keys from plaintext file discover.cc --- Functions for ...
https://dev.mysql.com/doc/internals/en/debug-sync-point.html
They were part of the MySQL code until the 6.0.5 and 5.1.46 versions. Debug Sync Points have been removed from the code in favor of the Debug Sync Facility. Debug Sync Points give user-level locks the ability to synchronize at arbitrary points in ...
https://dev.mysql.com/doc/ndbapi/en/ndb-start-mysql-data-types.html
This section provides information about the way in which MySQL data types are represented in NDBCLUSTER table columns and how these values can be accessed in NDB API applications. The MySQL TINYINT, SMALLINT, INT, and BIGINT data types map to NDB ...
https://dev.mysql.com/doc/workbench/en/wb-relationship-editor.html
Double-clicking a relationship on the EER diagram canvas opens the relationship editor. Relationship Tab In the Relationship tab, you can set the caption of a relationship using the Caption field. This name displays on the canvas and is also the ...
https://dev.mysql.com/doc/internals/en/tracing-example.html
The statement's execution is naturally made of "steps": "steps": [ { "join_preparation": { This is a join's preparation "select#": 1, for the first SELECT of the statement (which has only one, here). "rest_of_plan": [ { "database": "test", "table": ...
https://dev.mysql.com/doc/ndbapi/en/overview-selecting-tc.html
The default method is to select the transaction coordinator (TC) determined to be the "nearest" data node, using a heuristic for proximity based on the type of transporter connection. In order of nearest to most distant, these are: SHM TCP/IP ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-bulk-load-mysql-server.html
MySQL includes a bulk load extension to the LOAD DATA statement that is only available in MySQL HeatWave on AWS. It can do the following: Optimize the loading of data sorted by primary key. Monitor bulk load progress with the Performance Schema (As ...
https://dev.mysql.com/doc/refman/8.4/en/gis-data-formats.html
Two standard spatial data formats are used to represent geometry objects in queries: Well-Known Text (WKT) format Well-Known Binary (WKB) format Internally, MySQL stores geometry values in a format that is not identical to either WKT or WKB format.
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-statement-digests.html
The MySQL server is capable of maintaining statement digest information. The digesting process converts each SQL statement to normalized form (the statement digest) and computes a SHA-256 hash value (the digest hash value) from the normalized ...
https://dev.mysql.com/doc/connectors/en/connector-j-usagenotes-spring-config-transactional.html
Spring allows us to add transactions into our code without having to deal directly with the JDBC classes. For that purpose, Spring provides a transaction management package that not only replaces JDBC transaction management, but also enables ...