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              Mysql 官方文檔

              Resource

              Related

              Data Types

              Types

              Operators

              Assignment Operators

              • :=
              • =

              Logical Operators

              Comparison Operators

              • ^
              • -
              • !=, <>
              • *
              • /
              • &
              • >
              • >>
              • >=
              • <
              • <<
              • <=
              • <=>
              • % or MOD
              • +
              • |
              • ~
              • BETWEEN ... AND ...
              • BINARY
              • CASE
              • DIV
              • IS
              • IS NOT
              • IS NOT NULL
              • IS NULL
              • LIKE
              • NOT BETWEEN ... AND ...
              • NOT LIKE
              • NOT REGEXP
              • REGEXP
              • RLIKE
              • SOUNDS LIKE

              String

              String Comparison

              Regular Expressions

              String Functions

              • ASCII()
              • BIN()
              • BIT_LENGTH()
              • CHAR_LENGTH()
              • CHAR()
              • CHARACTER_LENGTH()
              • CONCAT_WS()
              • CONCAT()
              • ELT()
              • EXPORT_SET()
              • FIELD()
              • FIND_IN_SET()
              • FORMAT()
              • HEX()
              • INSERT()
              • INSTR()
              • LCASE()
              • LEFT()
              • LENGTH()
              • LOAD_FILE()
              • LOCATE()
              • LOWER()
              • LPAD()
              • LTRIM()
              • MAKE_SET()
              • MATCH
              • MID()
              • OCTET_LENGTH()
              • ORD()
              • POSITION()
              • QUOTE()
              • REPEAT()
              • REPLACE()
              • REVERSE()
              • RIGHT()
              • RPAD()
              • RTRIM()
              • SOUNDEX()
              • SPACE()
              • SUBSTR()
              • SUBSTRING_INDEX()
              • SUBSTRING()
              • TRIM()
              • UCASE()
              • UNHEX()
              • UPPER()

              Numeric

              Arithmetic Operators

              Mathematical Functions

              • ABS()
              • ACOS()
              • ASIN()
              • ATAN()
              • ATAN2(), ATAN()
              • CEIL()
              • CEILING()
              • CONV()
              • COS()
              • COT()
              • CRC32()
              • DEGREES()
              • EXP()
              • FLOOR()
              • LN()
              • LOG()
              • LOG10()
              • LOG2()
              • MOD()
              • OCT()
              • PI()
              • POW()
              • POWER()
              • RADIANS()
              • RAND()
              • ROUND()
              • SIGN()
              • SIN()
              • SQRT()
              • TAN()
              • TRUNCATE()

              Date

              Date and Time

              Group

              GROUP BY Functions

              Information

              Information Functions

              Encrypt

              Encryption and Compression

              Miscellaneous

              Miscellaneous Functions

              • DEFAULT()
              • GET_LOCK()
              • INET_ATON()
              • INET_NTOA()
              • IS_FREE_LOCK()
              • IS_USED_LOCK()
              • MASTER_POS_WAIT()
              • NAME_CONST()
              • RELEASE_LOCK()
              • SLEEP()
              • UUID_SHORT()
              • UUID()
              • VALUES()

              Samples

              Select Queires

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