https://dev.mysql.com/alter-table-examples.html
For NDB tables, it is also possible to change the storage type used for a table or column. row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ...
https://dev.mysql.com/c-api-prepared-statement-type-codes.html
The buffer_type member of MYSQL_BIND structures indicates the data type of the C language variable bound to a statement parameter or result set column. For input, buffer_type indicates the type of the variable containing the value to be sent to the ...
https://dev.mysql.com/c-api-prepared-statement-type-conversions.html
For example, a TINYINT column containing the value -128 might have a max_length value of 4. But the binary representation of any TINYINT value requires only 1 byte for storage, so you can supply a signed char variable in which to store the value and ... Prepared statements transmit data between the client and server using C language variables on the client side that correspond to SQL values on the server ...
https://dev.mysql.com/myisampack.html
For example, a BIGINT column (eight bytes) can be stored as a TINYINT column (one byte) if all its values are in the range from -128 to 127. When the table is used later, the server reads into memory the information needed to decompress columns.
https://dev.mysql.com/compressed-format.html
For example, a BIGINT column (eight bytes) can be stored as a TINYINT column (one byte) if all its values are in the range from -128 to 127. Compressed storage format is a read-only format that is generated with the myisampack tool. Compressed ...
https://dev.mysql.com/partitioning-columns.html
The permitted data types are shown in the following list: All integer types: TINYINT, SMALLINT, MEDIUMINT, INT (INTEGER), and BIGINT. The next two sections discuss COLUMNS partitioning, which are variants on RANGE and LIST partitioning. COLUMNS ...
https://dev.mysql.com/control-flow-functions.html
Otherwise, the result is an integer type (with one exception): If all integer types are all signed or all unsigned, the result is the same sign and the precision is the highest of all specified integer types (that is, TINYINT, SMALLINT, MEDIUMINT, ...The second syntax returns the result for the first condition that is ...
https://dev.mysql.com/mysql-nutshell.html
For example, given a table t with a TINYINT UNSIGNED column c, the optimizer can rewrite a condition such as WHERE c < 256 to WHERE 1 (and optimize the condition away altogether), or WHERE c >= 255 to WHERE c = 255. This section summarizes what has ...
https://dev.mysql.com/converting-tables-to-innodb.html
For the ranges of the different integer types, see Section 11.2.1, “Integer Types (Exact Value) - INTEGER, INT, SMALLINT, TINYINT, MEDIUMINT, BIGINT”. If you have MyISAM tables that you want to convert to InnoDB for better reliability and ...
https://dev.mysql.com/create-table-select.html
You can create one table from another by adding a SELECT statement at the end of the CREATE TABLE statement: CREATE TABLE new_tbl [AS] SELECT * FROM orig_tbl; MySQL creates new columns for all elements in the SELECT. For example: mysql> CREATE ...
