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https://dev.mysql.com/memory-storage-engine.html
A typical use case for the MEMORY engine involves these characteristics: Operations involving transient, non-critical data such as session management or caching. MEMORY tables have the following characteristics: Space for MEMORY tables is allocated ... The MEMORY storage engine (formerly known as HEAP) creates special-purpose tables with contents that are stored in ...
https://dev.mysql.com/using-innodb-tables.html
CREATE TABLE t1 (a INT, b CHAR (20), PRIMARY KEY (a)) ENGINE=InnoDB; You do not need to specify the ENGINE=InnoDB clause if InnoDB is defined as the default storage engine, which it is by default. SET GLOBAL innodb_file_per_table=1; CREATE TABLE t3 ... To create an InnoDB table, use the CREATE TABLE ...
https://dev.mysql.com/charset-examples.html
The following examples show how MySQL determines default character set and collation values. Example 1: Table and Column Definition CREATE TABLE t1 ( c1 CHAR(10) CHARACTER SET latin1 COLLATE latin1_german1_ci ) DEFAULT CHARACTER SET latin2 COLLATE ...Notice that there is no problem with storing a latin1 column in a latin2 ...
https://dev.mysql.com/charset-national.html
Standard SQL defines NCHAR or NATIONAL CHAR as a way to indicate that a CHAR column should use some predefined character set. For example, these data type declarations are equivalent: CHAR(10) CHARACTER SET utf8 NATIONAL CHARACTER(10) NCHAR(10) As ...These statements are equivalent: SELECT N'some text'; SELECT n'some text'; SELECT _utf8'some ...
https://dev.mysql.com/charset-unicode-sets.html
This section describes the collations available for Unicode character sets and their differentiating properties. MySQL supports multiple Unicode character sets: utf8mb4: A UTF-8 encoding of the Unicode character set using one to four bytes per ...
https://dev.mysql.com/mysql-real-escape-string-quote.html
unsigned long mysql_real_escape_string_quote(MYSQL *mysql, char *to, const char *from, unsigned long length, char quote) This function creates a legal SQL string for use in an SQL statement. The mysql argument must be a valid, open connection ...
https://dev.mysql.com/alter-table-examples.html
row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 1 row in set (0.01 sec) To change the storage type of an ...For ...
https://dev.mysql.com/mysql-stmt-execute.html
int mysql_stmt_execute(MYSQL_STMT *stmt) mysql_stmt_execute() executes the prepared query associated with the statement handler. The currently bound parameter marker values are sent to server during this call, and the server replaces the markers ...
https://dev.mysql.com/c-api-prepared-call-statements.html
This section describes prepared-statement support in the C API for stored procedures executed using CALL statements: Stored procedures executed using prepared CALL statements can be used in the following ways: A stored procedure can produce any ...
https://dev.mysql.com/charset-binary-collations.html
Binary strings (as stored using the BINARY, VARBINARY, and BLOB data types) have a character set and collation named binary. Nonbinary strings (as stored using the CHAR, VARCHAR, and TEXT data types) have a character set and collation other than ...
Document created the 26/06/2006, last modified the 26/10/2018
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