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https://dev.mysql.com/doc/refman/8.0/en/with.html
The RECURSIVE keyword must be included if any CTE in the WITH clause is recursive. (If no CTE refers to itself, RECURSIVE is permitted but not required.) If you forget RECURSIVE for a recursive CTE, this error is a likely result: ERROR 1146 (42S02): ... 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 ...Common Table Expressions Recursive Common Table Expressions Limiting Common Table Expression Recursion Recursive Common Table Expression Examples Common Table Expressions ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-select-all.html
Usage ndb_select_all -c connection_string tbl_name -d db_name [> file_name] Options that can be used with ndb_select_all are shown in the following table. --database=dbname, -d dbname Name of the database in which the table is found. The column is ...This option can be used only in conjunction with the -o (--order) ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-lifecycle.html
If you are removing unwanted transactions from that GTID set, use mysqlbinlog to examine the contents of the transactions to ensure that they have no value, contain no data that must be saved or replicated, and did not result in data changes on the ...Whenever the binary log is rotated or the server is shut down, the server writes GTIDs for all transactions that were written into the previous binary log file into the mysql.gtid_executed ...
https://dev.mysql.com/doc/refman/8.0/en/xml-functions.html
Do not output explicit error messages that might provide an unauthorized user with clues that could be used to compromise the system; log these to a file or database table instead. Just as SQL injection attacks can be used to obtain information ...
https://dev.mysql.com/doc/refman/8.0/en/serialized-dictionary-information.html
For example, if the data dictionary becomes unavailable, object metadata can be extracted directly from InnoDB tablespace files using the ibd2sdi tool. For partitioned InnoDB tables comprised of multiple tablespaces, SDI data is stored in the ... In ...SDI data is updated by DDL operations on a table or CHECK TABLE FOR ...
https://dev.mysql.com/doc/refman/8.0/en/binary-installation.html
To install MySQL from a compressed tar file binary distribution, your system must have GNU XZ Utils to uncompress the distribution and a reasonable tar to unpack it. These include generic binary distributions in the form of compressed tar files ...
https://dev.mysql.com/doc/refman/8.0/en/purge-binary-logs.html
PURGE { BINARY | MASTER } LOGS { TO 'log_name' | BEFORE datetime_expr } The binary log is a set of files that contain information about data modifications made by the MySQL server. PURGE BINARY LOGS TO and PURGE BINARY LOGS BEFORE both fail with an ...The log consists of a set of binary log files, plus an index file (see Section 7.4.4, “The Binary ...
https://dev.mysql.com/doc/refman/8.0/en/create-table-foreign-keys.html
The CONSTRAINT symbol value, if defined, must be unique in the database. Corresponding columns in the foreign key and the referenced key must have similar data types. row *************************** ID: test/child_ibfk_1 FOR_COL_NAME: parent_id ...A ...(Bug #30512043) Table and column identifiers in a FOREIGN KEY ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-hashicorp-plugin.html
Plugin-specific configuration includes preparation of the certificate and key files needed for connecting to HashiCorp Vault, as well as configuring HashiCorp Vault itself. A typical setup includes a set of certificate and key files: company.crt: A ... Note The keyring_hashicorp plugin is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/8.0/en/alter-logfile-group.html
For example, you cannot have a tablespace and an undo log file with the same name, or an undo log file and a data file with the same name. This includes any default value implied for this option by the setting of the InitialLogFileGroup data node ...