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https://dev.mysql.com/doc/refman/8.0/en/json-table-functions.html
This is equivalent to specifying a column as AUTO_INCREMENT in a CREATE TABLE statement, and can be used to distinguish parent rows with the same value for multiple rows generated by a NESTED [PATH] clause. JSON_TABLE(expr, path COLUMNS ... This ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-key-column-usage-table.html
This table provides no information about functional key parts because they are expressions and the table provides information only about columns. The KEY_COLUMN_USAGE table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the ...CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-columns-table.html
For information about generated columns, see Section 15.1.20.8, “CREATE TABLE and Generated Columns”. You can cause such information to be hidden by setting show_gipk_in_create_table_and_information_schema = OFF. The related ST_GEOMETRY_COLUMNS ...ORDINAL_POSITION is necessary because you might want to say ORDER BY ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-tp-thread-state-table.html
The tp_thread_state table has one row per thread created by the thread pool to handle connections. Note The Performance Schema table described here is available as of MySQL 8.0.14. Prior to MySQL 8.0.14, use the corresponding INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-data-encryption.html
As of MySQL 8.0.16, setting an encryption default for schemas and general tablespaces is also supported, which permits DBAs to control whether tables created in those schemas and tablespaces are encrypted. Important Once encrypted tablespaces are ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-ft-deleted-table.html
The INNODB_FT_DELETED table stores rows that are deleted from the FULLTEXT index for an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table that contains ...For more information about InnoDB FULLTEXT search, see Section 17.6.2.4, “InnoDB Full-Text Indexes”, and Section 14.9, “Full-Text Search ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-relational-tables.html
You can also use X DevAPI to work with relational tables. In MySQL, each relational table is associated with a particular storage engine. The examples in this section use InnoDB tables in the world_x schema. Show All Tables To display all ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-relational-tables.html
You can also use X DevAPI to work with relational tables. In MySQL, each relational table is associated with a particular storage engine. The examples in this section use InnoDB tables in the world_x schema. Show All Tables To display all ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-table-characteristics.html
The name of the performance_schema database is lowercase, as are the names of tables within it. Many tables in the performance_schema database are read only and cannot be modified: mysql> TRUNCATE TABLE performance_schema.setup_instruments; ERROR ...Generally, the effect is to reset the summary columns to 0 or NULL, not to remove ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-indexes-table.html
For GEN_CLUST_INDEX indexes, this value is 0 because the index is created using an artificial value rather than a real table column. Any other number represents a table created with a separate .ibd file in file-per-table mode. For related usage ...