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https://dev.mysql.com/json-search-functions.html
For escape character handling, a difference from the LIKE behavior is that the escape character for JSON_SEARCH() must evaluate to a constant at compile time, not just at execution time. For example, if JSON_SEARCH() is used in a prepared statement ... The functions in this section perform search or comparison operations on JSON values to extract data from them, report whether data exists at a location within them, or report the path to data within ...
https://dev.mysql.com/keyring-hashicorp-plugin.html
Note The operations described in this step are required only when starting Vault the first time, to obtain the unseal key and root token. Note The operations described in this step are needed only the first time the Vault instance is run. Note The ... Note The keyring_hashicorp plugin is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/lateral-derived-tables.html
A derived table cannot normally refer to (depend on) columns of preceding tables in the same FROM clause. As of MySQL 8.0.14, a derived table may be defined as a lateral derived table to specify that such references are permitted. Nonlateral ...
https://dev.mysql.com/log-file-maintenance.html
When using MySQL with logging enabled, you may want to back up and remove old log files from time to time and tell MySQL to start logging to new files. If you are using replication, you should specify an expiration period that is no lower than the ... As described in Section 5.4, “MySQL Server Logs”, MySQL Server can create several different log files to help you see what activity is taking ...
https://dev.mysql.com/metadata-locks-table.html
Lock requests that have timed out and are waiting for the requesting session's lock request to be discarded. When a pending lock request times out (ER_LOCK_WAIT_TIMEOUT), its row status is updated from PENDING to TIMEOUT. The VICTIM, TIMEOUT, and ...
https://dev.mysql.com/mysql-cluster-added-deprecated-removed.html
MaxNoOfConcurrentTransactions: Maximum number of transactions executing concurrently on this data node, total number of transactions that can be executed concurrently is this value times number of data nodes in cluster. Ndb_metadata_detected_count: ...The following node configuration parameters have been added in NDB ...
https://dev.mysql.com/mysql-cluster-ndbinfo-locks-per-fragment.html
This table also shows the total time spent waiting for locks successfully and unsuccessfully since fragment or table creation, or since the most recent restart. This is also true for the time values shown in the wait_ok_millis and wait_fail_millis ... The locks_per_fragment table provides information about counts of lock claim requests, and the outcomes of these requests on a per-fragment basis, serving as a companion table to operations_per_fragment and ...
https://dev.mysql.com/mysql-cluster-programs-ndb-import.html
All NDB 8.0 releases --idlesleep=# Number of milliseconds to sleep waiting for more to do All NDB 8.0 releases --idlespin=# Number of times to re-try before idlesleep All NDB 8.0 releases --ignore-lines=# Ignore first # lines in input file. CSV ...
https://dev.mysql.com/mysql-installer-setup.html
Choosing a Setup Type Path Conflicts Check Requirements MySQL Installer Configuration Files When you download MySQL Installer for the first time, a setup wizard guides you through the initial installation of MySQL products. As the following figure ...MySQL Installer detects existing MySQL products installed on the host during its initial setup and adds them to the list of products to be ...
https://dev.mysql.com/mysql-installer-workflow.html
Unlike the initial setup, which runs only once, MySQL Installer invokes the wizard each time you download or install a new product. For first-time installations, the steps of the initial setup proceed directly into the steps of the installation.
Document created the 26/06/2006, last modified the 26/10/2018
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