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Use SIGN(). It returns "0" for 0, "1" for positive and "-1" for negative values. SELECT DECODE( SIGN(money_return), 0, money_return, 1, money_return * 10, - 1, ABS(money_return) ) FROM CASH_T;
Definition and Usage. The SUBSTRING_INDEX () function returns a substring of a string before a specified number of delimiter occurs. Syntax. SUBSTRING_INDEX (string, delimiter, number) Parameter Values. Technical Details. More Examples. Example. Return a substring of a string before a specified number of delimiter occurs:
19 paź 2018 · In MySQL, the SIGN() function returns the sign of a number. That is, it indicates whether or not the value is a positive number, a negative number, or zero. You provide the value as an argument when calling the function.
String-valued functions return NULL if the length of the result would be greater than the value of the max_allowed_packet system variable. See Section 7.1.1, “Configuring the Server”.. For functions that operate on string positions, the first position is numbered 1. For functions that take length arguments, noninteger arguments are rounded to the nearest integer.
29 lip 2019 · I wanted to query only the number from a string. This works perfect only in to extract a positive integer value. Apparently it takes out the - out of negative integers. For example, executing these two gives the same output 10, but I expected -10 in the 2nd case.
MySQL uses the p value to determine whether to use FLOAT or DOUBLE for the resulting data type. If p is from 0 to 24, the data type becomes FLOAT(). If p is from 25 to 53, the data type becomes DOUBLE()
21 mar 2018 · Character functions accept character inputs and can return either characters or number values as output. SQL provides a number of different character datatypes which includes – CHAR, VARCHAR, VARCHAR2, LONG, RAW, and LONG RAW.
