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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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