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Mysql Column Type  
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Numeric

TINYINT 1 byte -128 ~ 127
0 ~ 255 (unsinged)
SMALLINT 2 bytes -32768 ~ 32767
0 ~ 65535 (unsinged)
MEDIUMINT 3 bytes -8388608 ~ 8388607
0 ~ 16777215 (unsinged)
INT or INTEGER 4 bytes -2147483648 ~ 2147483647
0 ~ 2147483647 (unsinged)
BIGINT 8 bytes -9223372036854775808 ~ 9223372036854775807
0 ~ 18446744073709551615 (unsinged)
FLOAT[(M,D)] 4 bytes 3.402823466E+38 ~ -1.175494351E-38, 0,
1.175494351E-38 ~ 3.402823466E+38
DOUBLE[(M,D)] or REAL 8 bytes 1.7976931348623157E+308 ~ -2.2250738585072014E-308, 0,
2.2250738585072014E-308 ~ 1.7976931348623157E+308

Date Time

DATE 3 bytes 1000-01-01 ~ 9999-12-31
DATETIME 8 bytes 1000-01-01 00:00:00 ~ 9999-12-31 23:59:59
TIME 3 bytes HH:MM:SS
YEAR 1 bytes 1901 ~ 2155
TIMESTAMP(2) bytes YY
TIMESTAMP(4) bytes YYMM
TIMESTAMP(6) bytes YYMMDD
TIMESTAMP(8) bytes YYYYMMDD
TIMESTAMP(10) bytes YYMMDDHHMM
TIMESTAMP(12) bytes YYMMDDHHMMSS
TIMESTAMP(14) 4 bytes YYYYMMDDHHMMSS

Text

CHAR(M) M bytes 1 ~ 255 characters
VARCHAR(M) M+1 bytes 1 ~ 255 characters
TINYTEXT +1 bytes 255 (2^8 - 1) characters
TEXT +2 bytes 65535 (2^16 - 1) characters
MEDIUMTEXT +3 bytes 16777215 (2^24 - 1) characters
LONGTEXT +4 bytes 4294967295 (2^32 - 1) characters

Blob

TINYBLOB +1 bytes 255 (2^8 - 1) size
BLOB +2 bytes 65535 (2^16 - 1) size
MEDIUMBLOB +3 bytes 16777215 (2^24 - 1) size
LONGBLOB +4 bytes 4294967295 (2^32 - 1) size

Etc

ENUM('value1','value2',...) bytes  
SET('value1','value2',...) bytes  
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12   MYSQL ±âº» ¹®¹ý    1470
11   ¾ÈÀüÇÏ°Ô DELETE ¹® »ç¿ëÇÏ±â    1345
10   DELETE ¹®    1407
9   UPDATE ½ÇÇà    1361
8   UPDATE ¹®Àå    1332
7   INSERT¸¦ ¿Ã¹Ù·Î »ç¿ëÇÏ±â    1357
6   INSERT ¹®Àå    1380
5   where Àý ¼öÇà°úÁ¤    1271
4   where Àý    1382
3   SELECT¹®¿¡¼­ µ¥ÀÌÅÍ Á¤·ÄÇÏ±â    1762
2   °£´ÜÇÑ SELECT ¹®Àå    1557
1   Mysql Column Type    1765

 
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