MySQL Cheat Sheet

by Dave Child (DaveChild) via cheatography.com/1/cs/16/

MySQL Data Types MySQL Type Conversion MySQL String Functions (cont)

CHAR String (0 - 255) BINARY 'string' LENGTH REPEAT

VARCHAR String (0 - 255) CAST (expression AS datatype) CHAR_LENGTH REVERSE
TINYTEXT String (0 - 255) CONVERT (expression, datatype) BIT_LENGTH INSERT

TEXT String (0 - 65535) LOCATE ELT

MySQL Grouping Functions
BLOB String (0 - 65535) INSTR FIELD
AVG MAX
MEDIUMTEXT String (0 - 16777215) LPAD LCASE
BIT_AND STD
MEDIUMBLOB String (0 - 16777215) RPAD UCASE
BIT_OR STDDEV
LONGTEXT String (0 - 429496​7295) LEFT LOAD_FILE
COUNT SUM
LONGBLOB String (0 - 429496​7295) RIGHT QUOTE
GROUP_​CONCAT VARIANCE
TINYINT x Integer (-128 to 127)
MIN MySQL Date and Time Functions
SMALLINT x Integer (-32768 to 32767)
DAYOFWEEK DATE_SUB
MEDIUMINT x Integer (-8388608 to
MySQL Mathem​atical Functions
8388607) WEEKDAY ADDDATE
ABS COS
INT x Integer (-2147​483648 to DAYOFMONTH SUBDATE
214748​3647) SIGN SIN
DAYOFYEAR EXTRACT
BIGINT x Integer (-9223​372​036​854​‐ MOD TAN
MONTH TO_DAYS
775808 to 922337​203​‐ FLOOR ACOS
DAYNAME FROM_DAYS
685​477​5807) CEILING ASIN
MONTHNAME DATE_F​ORMAT
FLOAT Decimal (precise to 23 ROUND ATAN, ATAN2
QUARTER TIME_F​ORMAT
digits)
DIV COT
WEEK CURREN​T_DATE
DOUBLE Decimal (24 to 53 digits)
EXP RAND
YEAR CURREN​T_TIME
DECIMAL "​DOU​BLE​" stored as
LN LEAST
string YEARWEEK NOW
LOG, LOG2, LOG10 GREATEST
DATE YYYY-MM-DD HOUR SYSDATE
POW DEGREES
DATETIME YYYY-MM-DD MINUTE UNIX_T​IME​STAMP
POWER RADIANS
HH:MM:SS SECOND FROM_U​NIXTIME
SQRT TRUNCATE
TIMESTAMP YYYYMM​DDH​HMMSS PERIOD_ADD SEC_TO​_TIME
PI
TIME HH:MM:SS PERIOD​_DIFF TIME_T​O_SEC
ENUM One of preset options DATE_ADD
MySQL String Functions
SET Selection of preset
ASCII SUBSTRING MySQL Control Flow Functions
options
ORD MID
Integers (marked x) that are "​UNS​IGN​ED" IF NULLIF
CONV SUBSTRING_INDEX
have the same range of values but start IFNULL
from 0 (i.e., an UNSIGNED TINYINT can BIN LTRIM
have any value from 0 to 255). OCT RTRIM
HEX TRIM
CHAR SOUNDEX
CONCAT SPACE
CONCAT_WS REPLACE

By Dave Child (DaveChild) Published 19th October, 2011. Sponsored by CrosswordCheats.com

cheatography.com/davechild/ Last updated 25th February, 2020. Learn to solve cryptic crosswords!
aloneonahill.com Page 1 of 2. http://crosswordcheats.com
 MySQL Cheat Sheet
by Dave Child (DaveChild) via cheatography.com/1/cs/16/

MySQL Miscel​laneous Functions

BIT_COUNT DES_EN​CRYPT
DATABASE DES_DE​CRYPT
USER LAST_I​NSE​RT_ID
SYSTEM​_USER FORMAT
SESSIO​N_USER VERSION
CURREN​T_USER CONNEC​TION_ID
PASSWORD GET_LOCK
OLD_PA​SSWORD RELEAS​E_LOCK
ENCRYPT IS_FRE​E_LOCK
DECODE BENCHMARK

MD5 INET_NTOA
SHA1 INET_ATON
AES_EN​CRYPT FOUND_ROWS
AES_DE​CRYPT STRCMP

By Dave Child (DaveChild) Published 19th October, 2011. Sponsored by CrosswordCheats.com

cheatography.com/davechild/ Last updated 25th February, 2020. Learn to solve cryptic crosswords!
aloneonahill.com Page 2 of 2. http://crosswordcheats.com