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https://dev.mysql.com/doc/refman/8.0/en/charset-unicode.html
BMP characters have these characteristics: Their code point values are between 0 and 65535 (or U+0000 and U+FFFF). Supplementary characters lie outside the BMP: Their code point values are between U+10000 and U+10FFFF). The Unicode Standard ...
https://dev.mysql.com/doc/refman/8.0/en/choosing-types.html
For high precision, you can always convert to a fixed-point type stored in a BIGINT. This enables you to do all calculations with 64-bit integers and then convert results back to floating-point values as necessary. For optimum storage, you should ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-remote.html
They must also be the same point release for versions before 8.0.37. Cloning from different point releases within a series is supported as of MySQL 8.0.37. The clone plugin supports the following syntax for cloning remote data; that is, cloning ...
https://dev.mysql.com/doc/refman/8.0/en/create-index.html
If the typed array column is set to NULL, the storage engine stores a single record containing NULL that points to the data record. (USING BTREE is supported as usual.) Spatial Indexes The MyISAM, InnoDB, NDB, and ARCHIVE storage engines support ...
https://dev.mysql.com/doc/refman/8.0/en/create-spatial-reference-system.html
srs_attribute: { NAME 'srs_name' | DEFINITION 'definition' | ORGANIZATION 'org_name' IDENTIFIED BY org_id | DESCRIPTION 'description' } srid, org_id: 32-bit unsigned integer This statement creates a spatial reference system (SRS) definition and ...
https://dev.mysql.com/doc/refman/8.0/en/datetime.html
The fractional part should always be separated from the rest of the time by a decimal point; no other fractional seconds delimiter is recognized. The only delimiter recognized between a date and time part and a fractional seconds part is the decimal ...This section describes their characteristics, how they are similar, and how they ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-mysql-cluster.html
These distributed algorithms and protocols include global checkpointing, DDL (schema) changes, and node restart handling. When a node acts as the “leader” for any of these mechanisms, it is usually the point of coordination for the activity, and ... In the following section, we answer questions that are frequently asked about MySQL NDB Cluster and the NDB storage ...
https://dev.mysql.com/doc/refman/8.0/en/firewall-usage.html
At this point, the group profile information is cached, including its name, membership, and allowlist. Before using MySQL Enterprise Firewall, install it according to the instructions provided in Section 8.4.7.2, “Installing or Uninstalling MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/flow-control-functions.html
If expr2 or expr3 produce a floating-point value, the result is a floating-point value. The second syntax returns the result for the first condition that is true. If no comparison or condition is true, the result after ELSE is returned, or NULL if ...
https://dev.mysql.com/doc/refman/8.0/en/gis-class-geometry.html
Geometry values of types (LineString, MultiPoint, MultiLineString) are either simple or nonsimple. Whether the value is empty or nonempty A geometry is empty if it does not have any points. The dimensions of MultiPoint, MultiLineString, and ...It is ...