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https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-javascript-documents-remove.html
Remove Documents Using Conditions The following example passes a search condition to the remove() method. To do so, use the remove("true") method without specifying a search condition. Caution Use care when you remove documents without specifying a ... You can use the remove() method to delete some or all documents from a collection in a ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-javascript-table-delete.html
Delete Records Using Conditions The following example passes search conditions to the delete() method. To do so, use the delete() method without specifying a search condition. Caution Use care when you delete records without specifying a search ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-python-documents-remove.html
Remove Documents Using Conditions The following example passes a search condition to the remove() method. To do so, use the remove("true") method without specifying a search condition. Caution Use care when you remove documents without specifying a ... You can use the remove() method to delete some or all documents from a collection in a ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-python-table-delete.html
Delete Records Using Conditions The example that follows passes search conditions to the delete() method. To do so, use the delete() method without specifying a search condition. Caution Use care when you delete records without specifying a search ... You can use the delete() method to remove some or all records from a table in a ...
https://dev.mysql.com/doc/refman/8.4/en/mysqld-multi.html
mysqld_multi searches for groups named [mysqldN] in my.cnf (or in the file named by the --defaults-file option). This number is referred to in the following discussion as the option group number, or GNR. Option files read are searched for ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-spatial-analysis.html
For MyISAM and InnoDB tables, search operations in columns containing spatial data can be optimized using SPATIAL indexes. The most typical operations are: Point queries that search for all objects that contain a given point Region queries that ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-pruning.html
By limiting the search, it is possible to expend much less time and effort in finding matching rows than by scanning all partitions in the table. When the optimizer can make use of partition pruning in performing this query, execution of the query ... The optimization known as partition pruning is based on a relatively simple concept which can be described as “Do not scan partitions where there can be no matching ...
https://dev.mysql.com/doc/refman/8.4/en/select.html
The UNION, INTERSECT, and EXCEPT operators are described in more detail later in this section. In this case, rows are selected only from the partitions listed, and any other partitions of the table are ignored. For example: SELECT id, * FROM t1 To ... SELECT [ALL | DISTINCT | DISTINCTROW ] [HIGH_PRIORITY] [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT] [SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS] select_expr [, select_expr] ...
https://dev.mysql.com/doc/refman/8.4/en/string-functions.html
This function does not work properly if the first argument contains a comma (,) character. You can disable this behavior by setting the value of the --binary-as-hex to 0 when starting the mysql client. (Multibyte characters therefore become more ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-9.html
(WL #11060) Connector/J now takes advantage of the MySQL Server 8.0 data dictionary by making the connection property useInformationSchema true by default; this makes Connector/J, by default, access the data dictionary more efficiently by querying ... Version 8.0.9 Release Candidate is the first release candidate of the 8.0 branch of MySQL Connector/J, providing an insight into upcoming ...