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https://dev.mysql.com/doc/c-api/8.4/en/c-api-prepared-statement-function-reference.html
The following table summarizes the functions available for prepared statement processing. For greater detail, see the descriptions in Section 6.4, “C API Prepared Statement Function Descriptions”.
https://dev.mysql.com/doc/c-api/8.4/en/c-api-prepared-statement-data-structures.html
Prepared statements use several data structures: To obtain a statement handler, pass a MYSQL connection handler to mysql_stmt_init(), which returns a pointer to a MYSQL_STMT data structure. To specify the statement to prepare, pass the MYSQL_STMT ...To receive output column values, set up MYSQL_BIND structures and pass them to ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-statement-histogram-summary-tables.html
The statement histogram summary tables have these indexes: events_statements_histogram_by_digest: Unique index on (SCHEMA_NAME, DIGEST, BUCKET_NUMBER) events_statements_histogram_global: Primary key on (BUCKET_NUMBER) TRUNCATE TABLE is permitted for ... The Performance Schema maintains statement event summary tables that contain information about minimum, maximum, and average statement latency (see Section 29.12.20.3, “Statement Summary ...row *************************** SCHEMA_NAME: mydb DIGEST: ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-sql-statements.html
This section discusses several SQL statements that can prove useful in managing and monitoring a MySQL server that is connected to an NDB Cluster, and in some cases provide information about the cluster itself. SHOW ENGINE NDB STATUS, SHOW ENGINE ...However, you can use LIKE to filter queries against the Information Schema ENGINES table, as discussed in the next ...
https://dev.mysql.com/doc/internals/en/prepared-stored-statement-execution.html
In order to call mysql_execute_command (the function that executes a statement) for a prepared statement and not damage its parse tree, we backup and restore the active Query_arena of THD. We don't want the garbage created during execution to be ...
https://dev.mysql.com/doc/mysql-router/9.4/en/router-read-write-splitting-statements.html
The following describes read-only statements: Statements are read-only if they start with: SELECT DO VALUES TABLE WITH that is not followed by UPDATE or DELETE. Such as: GET_LOCK() FOR UPDATE|SHARE LOCK IN SHARE MODE Some functions can produce a ...
https://dev.mysql.com/doc/x-devapi-userguide/en/working-with-prepared-statements.html
X DevAPI improves performance for each CRUD statement that is executed repeatedly by using a server-side prepared statement for its second and subsequent executions. New values for re-executions of the prepared statement are provided with parameter ...This happens internally—applications do not need to do anything extra to utilize the feature, as long as the same operation object is ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-js/en/working-with-prepared-statements.html
X DevAPI improves performance for each CRUD statement that is executed repeatedly by using a server-side prepared statement for its second and subsequent executions. New values for re-executions of the prepared statement are provided with parameter ...This happens internally—applications do not need to do anything extra to utilize the feature, as long as the same operation object is ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-python/en/working-with-prepared-statements.html
X DevAPI improves performance for each CRUD statement that is executed repeatedly by using a server-side prepared statement for its second and subsequent executions. New values for re-executions of the prepared statement are provided with parameter ...This happens internally—applications do not need to do anything extra to utilize the feature, as long as the same operation object is ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-prepared-statement-interface.html
The MySQL client/server protocol provides for the use of prepared statements. This capability uses the MYSQL_STMT statement handler data structure returned by the mysql_stmt_init() initialization function. Prepared execution is an efficient way to ...In the case of direct execution, the query is parsed every time it is ...