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https://dev.mysql.com/doc/refman/8.0/en/constant-folding-optimization.html
Consider the table created by the following statement: CREATE TABLE t (c TINYINT UNSIGNED NOT NULL); The WHERE condition in the query SELECT * FROM t WHERE c < 256 contains the integral constant 256 which is out of range for a TINYINT UNSIGNED ...
https://dev.mysql.com/doc/refman/8.0/en/data-directory.html
Information managed by the MySQL server is stored under a directory known as the data directory. The following list briefly describes the items typically found in the data directory, with cross references for additional information: Data directory ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-component-functions.html
When a dictionary of terms is created, it becomes part of the dictionary registry and is assigned a name to be used by other dictionary functions. When a dictionary of terms is created, it becomes part of the dictionary registry and is assigned a ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-components-installation.html
URN: file://component_masking_functions To set up MySQL Enterprise Data Masking and De-Identification, do the following: Create the masking_dictionaries table. CREATE TABLE IF NOT EXISTS mysql.masking_dictionaries( Dictionary VARCHAR(256) NOT NULL, ... As of MySQL 8.0.33, components provide access to MySQL Enterprise Data Masking and De-Identification ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html
This section describes the functions that can be used to manipulate temporal values. See Section 13.2, “Date and Time Data Types”, for a description of the range of values each date and time type has and the valid formats in which values may be ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-literals.html
Standard SQL and ODBC Date and Time Literals String and Numeric Literals in Date and Time Context Date and time values can be represented in several formats, such as quoted strings or as numbers, depending on the exact type of the value and other ...
https://dev.mysql.com/doc/refman/8.0/en/declare-local-variable.html
type [DEFAULT value] This statement declares local variables within stored programs. To provide a default value for a variable, include a DEFAULT clause. The value can be specified as an expression; it need not be a constant. If the DEFAULT clause ...
https://dev.mysql.com/doc/refman/8.0/en/default-privileges.html
This section describes how to assign a password to the initial root account created during the MySQL installation procedure, if you have not already done so. Installation of MySQL creates only a 'root'@'localhost' superuser account that has all ...
https://dev.mysql.com/doc/refman/8.0/en/descending-indexes.html
MySQL supports descending indexes: DESC in an index definition is no longer ignored but causes storage of key values in descending order. Previously, indexes could be scanned in reverse order but at a performance penalty. A descending index can be ...
https://dev.mysql.com/doc/refman/8.0/en/document-store-concepts.html
CRUD Operations The four basic operations that can be issued against a collection are Create, Read, Update and Delete (CRUD). In terms of MySQL this means: Create a new document (insertion or addition) Read one or more documents (queries) Update one ... This section explains the concepts introduced as part of using MySQL as a document ...