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https://dev.mysql.com/doc/refman/8.0/en/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 ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-management-range-list.html
Adding and dropping of range and list partitions are handled in a similar fashion, so we discuss the management of both sorts of partitioning in this section. For information about working with tables that are partitioned by hash or key, see ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-pruning.html
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 values”. By limiting the search, it is possible to expend much less time and ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-statement-tables.html
Statement events occur at a high level of the event hierarchy. Within the event hierarchy, wait events nest within stage events, which nest within statement events, which nest within transaction events. These tables store statement events: ...
https://dev.mysql.com/doc/refman/8.0/en/query-attributes.html
The most visible part of an SQL statement is the text of the statement. As of MySQL 8.0.23, clients can also define query attributes that apply to the next statement sent to the server for execution: Attributes are defined prior to sending the ...
https://dev.mysql.com/doc/refman/8.0/en/atomic-ddl.html
An atomic DDL statement combines the data dictionary updates, storage engine operations, and binary log writes associated with a DDL operation into a single, atomic operation. The operation is either committed, with applicable changes persisted to ...
https://dev.mysql.com/doc/refman/8.0/en/charset-collate.html
With the COLLATE clause, you can override whatever the default collation is for a comparison.
https://dev.mysql.com/doc/refman/8.0/en/charset-collation-implementations.html
MySQL implements several types of collations: Simple collations for 8-bit character sets This kind of collation is implemented using an array of 256 weights that defines a one-to-one mapping from character codes to weights. It is a case-insensitive ...
https://dev.mysql.com/doc/refman/8.0/en/charset-collation-information-schema.html
String columns in INFORMATION_SCHEMA tables have a collation of utf8mb3_general_ci, which is case-insensitive. However, for values that correspond to objects that are represented in the file system, such as databases and tables, searches in ...
https://dev.mysql.com/doc/refman/8.0/en/constant-folding-optimization.html
Comparisons between constants and column values in which the constant value is out of range or of the wrong type with respect to the column type are now handled once during query optimization rather row-by-row than during execution. The comparisons ...