Search results
26 kwi 2016 · Simply use SIGN() in mysql It returns 1 as a positive value and -1 is a negative value. Example. SELECT SIGN(500); -- (Output is 1) SELECT SIGN(2500); -- (Output is 1) SELECT SIGN(-999); -- (Output is -1) SELECT SIGN(-5); -- (Output is -1)
You can use 'sign' with a decode. Sign will return -1 for any negative, 0 for 0, and 1 for any positive: select decode (sign (money_return), -1, abs (money_return), 1, money_return*10, money_return) from cash_t; edited Oct 7, 2019 at 14:04.
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.
28 wrz 2020 · SIGN() function in MySQL is used to return the sign of the given number. It returns 1 if the number is positive, -1 if the number is negative and 0 for zero. Syntax : SIGN(X) Parameter : SIGN() function accepts one parameter as input and will give you the results in values like Positive(+1),Negative(-1) and Zero(0).
5 wrz 2022 · How to detect if value is number in MySQL? This answer is similar to Dmitry, but it will allow for decimals as well as positive and negative numbers. use a UDF (user defined function). select isnumber (mycol) mycol1, col2, colx from tablex; — will return 1s and 0s for column mycol1
24 lut 2024 · To handle negative number rows effectively, we can use the ABS () function to convert negative numbers to positive numbers before using the MINUS operator. For example, the following query will return the expected result set: SELECT ABS(-5) AS num FROM dual. MINUS. SELECT ABS(-3) AS num FROM dual;
There are several effective methods to detect if a value in MySQL is a number: 1. Using Regular Expressions: Regular expressions offer a powerful way to match patterns in strings. To check for numbers, you can use the following expression: SELECT * FROM myTable WHERE col1 REGEXP '^[0-9]+$';
