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https://dev.mysql.com/doc/x-devapi-userguide-shell-python/en/working-with-document-ids.html
This section describes what a document ID is and how to work with it. Every document has a unique identifier called the document ID, which can be thought of as the equivalent of a table's primary key. The document ID value is usually automatically ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-advisor-auto-indexing-execution.html
Autopilot Indexing provides recommendations for schemas with a representative workload that has at least five queries in the SQL statement digest history in the Performance Schema. Autopilot Indexing only evaluates SQL statements in the SQL ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-bulk-load-mysql-server.html
MySQL includes a bulk load extension to the LOAD DATA statement that is only available in MySQL HeatWave on AWS. It can do the following: Optimize the loading of data sorted by primary key. Monitor bulk load progress with the Performance Schema (As ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-limitations-data-types.html
The following string and text data types are unsupported: BINARY VARBINARY Decimal values with a precision greater than 18 in expression operators are unsupported, with the exception of the following: Arithmetic operators, see: Section 5.3.2, ...
https://dev.mysql.com/doc/refman/8.4/en/alter-table.html
ALTER TABLE tbl_name [alter_option [, alter_option] ...] [partition_options] alter_option: { table_options | ADD [COLUMN] col_name column_definition [FIRST | AFTER col_name] | ADD [COLUMN] (col_name column_definition,...) | ADD {INDEX | KEY} ...
https://dev.mysql.com/doc/refman/8.4/en/case-sensitivity.html
For nonbinary strings (CHAR, VARCHAR, TEXT), string searches use the collation of the comparison operands. For binary strings (BINARY, VARBINARY, BLOB), comparisons use the numeric values of the bytes in the operands; this means that for alphabetic ...
https://dev.mysql.com/doc/refman/8.4/en/charset-errors.html
This section describes how the MySQL server uses character sets for constructing error messages. For information about the language of error messages (rather than the character set), see Section 12.12, “Setting the Error Message Language”. For ...
https://dev.mysql.com/doc/refman/8.4/en/column-indexes.html
The most common type of index involves a single column, storing copies of the values from that column in a data structure, allowing fast lookups for the rows with the corresponding column values. The B-tree data structure lets the index quickly ...
https://dev.mysql.com/doc/refman/8.4/en/dynamic-format.html
Dynamic storage format is used if a MyISAM table contains any variable-length columns (VARCHAR, VARBINARY, BLOB, or TEXT), or if the table was created with the ROW_FORMAT=DYNAMIC table option. Dynamic format is a little more complex than static ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-statistics-table.html
The information_schema_stats_expiry system variable defines the period of time before cached table statistics expire. If there are no cached statistics or statistics have expired, statistics are retrieved from storage engines when querying table ...
Displaying 71 to 80 of 278 total results