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MySQL 9.7 Reference Manual
Displaying 201 to 210 of 210 total results
30.4.5.12 The ps_is_instrument_default_timed() Function
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-is-instrument-default-timed.html
Returns YES or NO to indicate whether a given Performance Schema instrument is timed by default. Example mysql> SELECT sys.ps_is_instrument_default_timed('memory/innodb/row_log_buf'); ...
30.4.4.5 The ps_setup_disable_consumer() Procedure
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-setup-disable-consumer.html
Parameters consumer VARCHAR(128): The value used to match consumer names, which are identified by using %consumer% as an operand for a LIKE pattern match. Disables Performance Schema consumers with names that contain the argument. Example Disable ...
30.4.4.6 The ps_setup_disable_instrument() Procedure
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-setup-disable-instrument.html
Parameters in_pattern VARCHAR(128): The value used to match instrument names, which are identified by using %in_pattern% as an operand for a LIKE pattern match. Disables Performance Schema instruments with names that contain the argument. Example ...
30.4.4.9 The ps_setup_enable_consumer() Procedure
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-setup-enable-consumer.html
Parameters consumer VARCHAR(128): The value used to match consumer names, which are identified by using %consumer% as an operand for a LIKE pattern match. Enables Performance Schema consumers with names that contain the argument. Example Enable all ...
30.4.4.10 The ps_setup_enable_instrument() Procedure
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-setup-enable-instrument.html
Parameters in_pattern VARCHAR(128): The value used to match instrument names, which are identified by using %in_pattern% as an operand for a LIKE pattern match. Enables Performance Schema instruments with names that contain the argument. Example ...
30.4.4.22 The ps_trace_statement_digest() Procedure
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-trace-statement-digest.html
Traces all Performance Schema instrumentation for a specific statement digest. If you find a statement of interest within the Performance Schema events_statements_summary_by_digest table, specify its DIGEST column MD5 value to this procedure and ...
30.4.4.23 The ps_trace_thread() Procedure
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-trace-thread.html
in_outfile VARCHAR(255): The name to use for the .dot output file. Dumps all Performance Schema data for an instrumented thread to a .dot formatted graph file (for the DOT graph description language). Each result set returned from the procedure ...
30.4.4.26 The statement_performance_analyzer() Procedure
https://dev.mysql.com/doc/refman/9.7/en/sys-statement-performance-analyzer.html
in_table VARCHAR(129): The table parameter used for some of the actions specified by the in_action parameter. Creates a report of the statements running on the server. The views are calculated based on the overall and/or delta activity. This ...
15.2.20 WITH (Common Table Expressions)
https://dev.mysql.com/doc/refman/9.7/en/with.html
A common table expression (CTE) is a named temporary result set that exists within the scope of a single statement and that can be referred to later within that statement, possibly multiple times. The following discussion describes how to write ...
14.11 XML Functions
https://dev.mysql.com/doc/refman/9.7/en/xml-functions.html
Table 14.16 XML Functions Name Description ExtractValue() Extract a value from an XML string using XPath notation UpdateXML() Return replaced XML fragment This section discusses XML and related functionality in MySQL. Note It is possible to obtain ...
Displaying 201 to 210 of 210 total results