https://dev.mysql.com/glossary.html
The column itself must be of BIGINT UNSIGNED NOT NULL type, with a unique index named FTS_DOC_ID_INDEX. Prior to MySQL 5.6.3, the LSN was a 4-byte unsigned integer. The LSN became an 8-byte unsigned integer in MySQL 5.6.3 when the redo log file size ... These terms are commonly used in information about the MySQL database ...
https://dev.mysql.com/mysql-fetch-field-direct.html
MYSQL_FIELD *mysql_fetch_field_direct(MYSQL_RES *result, unsigned int fieldnr) Given a field number fieldnr for a column within a result set, returns that column's field definition as a MYSQL_FIELD structure. unsigned int num_fields; unsigned int ...Use this function to retrieve the definition for an arbitrary ...
https://dev.mysql.com/mysql-fetch-row.html
MYSQL_ROW row; unsigned int num_fields; unsigned int i; num_fields = mysql_num_fields(result); while ((row = mysql_fetch_row(result))) { unsigned long *lengths; lengths = mysql_fetch_lengths(result); for(i = 0; i < num_fields; i++) { printf("[%.*s] ...Its asynchronous counterpart is mysql_fetch_row_nonblocking(), for use by applications that require asynchronous communication with the ...
https://dev.mysql.com/mysql-hex-string.html
unsigned long mysql_hex_string(char *to, const char *from, unsigned long length) This function creates a legal SQL string for use in an SQL statement. The string in the from argument is encoded in hexadecimal format, with each character encoded as ...
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. Such an index uses a key part ...
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/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/performance-schema-optimization.html
Applications that monitor databases may make frequent use of Performance Schema tables. To write queries for these tables most efficiently, take advantage of their indexes. For example, include a WHERE clause that restricts retrieved rows based on ...
https://dev.mysql.com/udf-arguments.html
The args parameter points to a UDF_ARGS structure that has the members listed here: unsigned int arg_count The number of arguments. unsigned long *lengths For the initialization function, the lengths array indicates the maximum string length for ...
https://dev.mysql.com/udf-calling.html
unsigned int decimals The number of decimal digits to the right of the decimal point. This section describes the different functions that you need to define when you create a simple UDF. Section 29.4.2, “Adding a New User-Defined Function”, ...
