https://dev.mysql.com/choosing-types.html
For example, if an integer column is used for values in the range from 1 to 99999, MEDIUMINT UNSIGNED is the best type. For optimum storage, you should try to use the most precise type in all cases. Of the types that represent all the required ...
https://dev.mysql.com/create-tablespace.html
The precise syntax and semantics depend on the storage engine used. MySQL NDB Cluster also supports tablespaces using the NDB storage engine. Considerations for InnoDB Considerations for NDB Cluster Options Notes InnoDB Examples NDB Example ...
https://dev.mysql.com/examples.html
Here are examples of how to solve some common problems with MySQL. Some of the examples use the table shop to hold the price of each article (item number) for certain traders (dealers). Supposing that each trader has a single fixed price per ...
https://dev.mysql.com/extensions-to-ansi.html
MySQL Server supports some extensions that you probably will not find in other SQL DBMSs. Be warned that if you use them, your code will not be portable to other SQL servers. For example, MySQL Server recognizes the STRAIGHT_JOIN keyword in the ...
https://dev.mysql.com/features.html
Data Types Many data types: signed/unsigned integers 1, 2, 3, 4, and 8 bytes long, FLOAT, DOUBLE, CHAR, VARCHAR, BINARY, VARBINARY, TEXT, BLOB, DATE, TIME, DATETIME, TIMESTAMP, YEAR, SET, ENUM, and OpenGIS spatial types. This section describes some ...
https://dev.mysql.com/fulltext-boolean.html
MySQL can perform boolean full-text searches using the IN BOOLEAN MODE modifier. With this modifier, certain characters have special meaning at the beginning or end of words in the search string. In the following query, the + and - operators ...
https://dev.mysql.com/fulltext-natural-language.html
By default or with the IN NATURAL LANGUAGE MODE modifier, the MATCH() function performs a natural language search for a string against a text collection. A collection is a set of one or more columns included in a FULLTEXT index. For each row in the ...
https://dev.mysql.com/fulltext-stopwords.html
The stopword list is loaded and searched for full-text queries using the server character set and collation (the values of the character_set_server and collation_server system variables). False hits or misses might occur for stopword lookups if the ...
https://dev.mysql.com/gis-general-property-functions.html
If any SRID argument is not within the range of a 32-bit unsigned integer, an ER_DATA_OUT_OF_RANGE error occurs. The functions listed in this section do not restrict their argument and accept a geometry value of any type. Unless otherwise ...
https://dev.mysql.com/innodb-auto-increment-handling.html
InnoDB provides a configurable locking mechanism that can significantly improve scalability and performance of SQL statements that add rows to tables with AUTO_INCREMENT columns. To use the AUTO_INCREMENT mechanism with an InnoDB table, an ...
