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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-drop-index.html
--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving up. --connect-retry-delay Command-Line Format --connect-retry-delay=# Type ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-select-all.html
--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving up. This does not affect the output of numerals contained in strings or ...
https://dev.mysql.com/doc/refman/8.0/en/sys-diagnostics.html
The minimum and maximum values are the minimum and maximum values from the end view, respectively. They do not necessarily reflect the minimum and maximum values in the monitored period. Except for the metrics view, the delta is calculated only ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-processlist-table.html
row *************************** ID: 5 USER: event_scheduler HOST: localhost DB: NULL COMMAND: Daemon TIME: 137 STATE: Waiting on empty queue INFO: NULL *************************** 2. row *************************** ID: 9 USER: me HOST: ...Otherwise ... The MySQL process list indicates the operations currently being performed by the set of threads executing within the ...
https://dev.mysql.com/doc/refman/8.0/en/problems-with-null.html
Under certain conditions, if you insert NULL into a TIMESTAMP column, the current date and time is inserted; this behavior depends in part on the server SQL mode (see Section 7.1.11, “Server SQL Modes”) as well as the value of the ...For ... The ...
https://dev.mysql.com/doc/refman/8.0/en/correlated-subqueries.html
So, MySQL looks outside the subquery, and finds t1 in the outer query. Suppose that table t1 contains a row where column1 = 5 and column2 = 6; meanwhile, table t2 contains a row where column1 = 5 and column2 = 7. This type of transformation can be ... A correlated subquery is a subquery that contains a reference to a table that also appears in the outer ...
https://dev.mysql.com/doc/refman/8.0/en/crashing.html
MySQL updates the files on disk with the write() system call after every SQL statement and before the client is notified about the result. This does not mean that there are no bugs in MySQL, but if there are bugs, they should be very few and can be ... Each MySQL version is tested on many platforms before it is ...
https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-schema.html
Generally, the difference between MySQL data dictionary tables and system tables is that data dictionary tables contain metadata required to execute SQL queries, whereas system tables contain auxiliary data such as time zone and help information. If ... Data dictionary tables are protected and may only be accessed in debug builds of ...For ...
https://dev.mysql.com/doc/refman/8.0/en/enterprise-encryption-configuring.html
You can also configure the functions provided by the component_enterprise_encryption component from MySQL 8.0.30, to support decryption and verification for content produced by the legacy openssl_udf shared library functions. The component functions ... MySQL Enterprise Encryption lets you limit keys to a length that provides adequate security for your requirements while balancing this with resource ...
https://dev.mysql.com/doc/refman/8.0/en/handler-scope.html
A stored program may include handlers to be invoked when certain conditions occur within the program. The applicability of each handler depends on its location within the program definition and on the condition or conditions that it handles: A ...