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https://dev.mysql.com/doc/heatwave/en/heatwave-system-variables.html
bulk_loader.concurrency System Variable bulk_loader.concurrency Scope Global Dynamic Yes SET_VAR Hint Applies No Type Integer Default Value (1/2) * #vcpus Minimum Value 1 Maximum Value 1024 The maximum number of concurrent threads to use by one LOAD ...Most MySQL HeatWave variable settings are managed by OCI and cannot be modified ...
https://dev.mysql.com/doc/refman/8.4/en/storage-engines.html
(The CREATE TABLE statement in MySQL 8.4 creates InnoDB tables by default.) MySQL Server uses a pluggable storage engine architecture that enables storage engines to be loaded into and unloaded from a running MySQL server. To determine which storage ... Storage engines are MySQL components that handle the SQL operations for different table ...
https://dev.mysql.com/doc/refman/8.4/en/where-optimization.html
The examples use SELECT statements, but the same optimizations apply for WHERE clauses in DELETE and UPDATE statements. MySQL quickly detects that some SELECT statements are impossible and returns no rows. A table that is used with a WHERE clause on ... This section discusses optimizations that can be made for processing WHERE ...
https://dev.mysql.com/doc/refman/8.4/en/using-explain.html
With the help of EXPLAIN, you can see where you should add indexes to tables so that the statement executes faster by using indexes to find rows. (See Section 15.2.13, “SELECT Statement”.) However, STRAIGHT_JOIN may prevent indexes from being ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-search-ngram.html
A smaller token size produces a smaller full-text search index, and faster searches. Creating a FULLTEXT Index that Uses the ngram Parser To create a FULLTEXT index that uses the ngram parser, specify WITH PARSER ngram with CREATE TABLE, ALTER ...
https://dev.mysql.com/doc/workbench/en/wb-performance-reports.html
Reports help analyze IO hotspots, discover high cost SQL statements, and review wait statistics and InnoDB engine metrics. Performance Report Descriptions Figure 7.4 Performance Reports: Statement Analysis Individual reports are shown in the ...
https://dev.mysql.com/doc/connectors/en/connector-odbc-reference-api.html
The following tables list Connector/ODBC API calls grouped by task: Table 5.5 ODBC API Calls for Connecting to a Data Source Function Name Connector/ODBC Supports? Standard Purpose SQLAllocHandle Yes ISO 92 Obtains an environment, connection, ...For ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-reference-api.html
The following tables list Connector/ODBC API calls grouped by task: Table 7.1 ODBC API Calls for Connecting to a Data Source Function Name Connector/ODBC Supports? Standard Purpose SQLAllocHandle Yes ISO 92 Obtains an environment, connection, ...For ...
https://dev.mysql.com/doc/refman/8.4/en/grant-tables.html
Modifications occur indirectly when you use account-management statements such as CREATE USER, GRANT, and REVOKE to set up accounts and control the privileges available to each one. When you use such statements to perform account manipulations, the ... The mysql system database includes several grant tables that contain information about user accounts and the privileges held by ...
https://dev.mysql.com/doc/workbench/en/wb-sql-editor-navigator.html
If enabled, the import operation makes a spatial index around the geometry column. This executes a USE schema_name statement so that subsequent statements without schema qualifiers are executed against this schema. Copy to Clipboard: Copies the ...