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https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-table-update.html
mysql-js> db.city.select(["ID", "Name", "CountryCode", "District", "Info"]).where("Name = 'Beijing'") +------+-----------+-------------+----------+-----------------------------+ | ID | Name | CountryCode | District | Info | ... You can use the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-documents-in-tables.html
In MySQL, a table may contain traditional relational data, JSON values, or both. You can combine traditional data with JSON documents by storing the documents in columns having a native JSON data type. Examples in this section use the city table in ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-table-update.html
mysql-py> db.city.select(["ID", "Name", "CountryCode", "District", "Info"]).where("Name = 'Beijing'") +------+-----------+-------------+----------+-----------------------------+ | ID | Name | CountryCode | District | Info | ... You can use the ...
https://dev.mysql.com/doc/refman/8.0/en/mysqladmin.html
The permitted levels are from 1 to 22, with larger values indicating increasing levels of compression. You can use it to check the server's configuration and current status, to create and drop databases, and more. Invoke mysqladmin like this: ...
https://dev.mysql.com/doc/refman/8.0/en/nonpersistible-system-variables.html
SET PERSIST and SET PERSIST_ONLY enable global system variables to be persisted to the mysqld-auto.cnf option file in the data directory (see Section 15.7.6.1, “SET Syntax for Variable Assignment”). However, not all system variables can be ...
https://dev.mysql.com/doc/refman/8.0/en/out-of-memory.html
Is it reasonable that it should return so many rows? If not, correct the query and try again. This causes it to use the mysql_use_result() C API function to retrieve the result set, which places less of a load on the client (but more on the server).
https://dev.mysql.com/doc/refman/8.0/en/partitioning-management.html
You can delete all rows from one or more selected partitions using ALTER TABLE ... There are a number of ways using SQL statements to modify partitioned tables; it is possible to add, drop, redefine, merge, or split existing partitions using the ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-build-configuration.html
Because the Performance Schema is configured into the server at build time, a row for PERFORMANCE_SCHEMA appears in the output from SHOW ENGINES. It is possible to exclude certain parts of the Performance Schema instrumentation. For example, to ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-clone-progress-table.html
The table therefore only ever contains seven rows of data, or is empty. Note The Performance Schema table described here is available as of MySQL 8.0.17. The clone_progress table shows progress information for the current or last executed cloning ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-clone-status-table.html
The table only ever contains one row of data, or is empty. Note The Performance Schema table described here is available as of MySQL 8.0.17. The clone_status table shows the status of the current or last executed cloning operation only. The ...