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Return Type | Name (Signature) | Description |
---|---|---|
DOUBLE | round(DOUBLE a) | Returns the rounded |
DOUBLE | round(DOUBLE a, INT d) | Returns |
BIGINT | floor(DOUBLE a) | Returns the maximum |
BIGINT | ceil(DOUBLE a), ceiling(DOUBLE a) | Returns the minimum BIGINT value that is equal or greater than |
DOUBLE | rand(), rand(INT seed) | Returns a random number (that changes from row to row) that is distributed uniformly from 0 to 1. Specifying the seed will make sure the generated random number sequence is deterministic. |
DOUBLE | exp(DOUBLE a), exp(DECIMAL a) | Returns |
DOUBLE | ln(DOUBLE a), ln(DECIMAL a) | Returns the natural logarithm of the argument |
DOUBLE | log10(DOUBLE a), log10(DECIMAL a) | Returns the base-10 logarithm of the argument |
DOUBLE | log2(DOUBLE a), log2(DECIMAL a) | Returns the base-2 logarithm of the argument |
DOUBLE | log(DOUBLE base, DOUBLE a) | Return the base- |
DOUBLE | pow(DOUBLE a, DOUBLE p), power(DOUBLE a, DOUBLE p) | Return |
DOUBLE | sqrt(DOUBLE a), sqrt(DECIMAL a) | Returns the square root of |
STRING | bin(BIGINT a) | Returns the number in binary format (see http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_bin) |
STRING | hex(BIGINT a) hex(STRING a) hex(BINARY a) | If the argument is an |
BINARY | unhex(STRING a) | Inverse of hex. Interprets each pair of characters as a hexadecimal number and converts to the byte representation of the number. ( |
STRING | conv(BIGINT num, INT from_base, INT to_base), conv(STRING num, INT from_base, INT to_base) | Converts a number from a given base to another (see http://dev.mysql.com/doc/refman/5.0/en/mathematical-functions.html#function_conv) |
DOUBLE | abs(DOUBLE a) | Returns the absolute value |
INT or DOUBLE | pmod(INT a, INT b), pmod(DOUBLE a, DOUBLE b) | Returns the positive value of |
DOUBLE | sin(DOUBLE a), sin(DECIMAL a) | Returns the sine of |
DOUBLE | asin(DOUBLE a), asin(DECIMAL a) | Returns the arc sin of |
DOUBLE | cos(DOUBLE a), cos(DECIMAL a) | Returns the cosine of |
DOUBLE | acos(DOUBLE a), acos(DECIMAL a) | Returns the arccosine of |
DOUBLE | tan(DOUBLE a), tan(DECIMAL a) | Returns the tangent of |
DOUBLE | atan(DOUBLE a), atan(DECIMAL a) | Returns the arctangent of |
DOUBLE | degrees(DOUBLE a), degrees(DECIMAL a) | Converts value of |
DOUBLE | radians(DOUBLE a), radians(DOUBLE a) | Converts value of |
INT or DOUBLE | positive(INT a), positive(DOUBLE a) | Returns |
INT or DOUBLE | negative(INT a), negative(DOUBLE a) | Returns |
FLOATDOUBLE or INT | sign(DOUBLE a), sign(DECIMAL a) | Returns the sign of |
DOUBLE | e() | Returns the value of e |
DOUBLE | pi() | Returns the value of pi |
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