Search results
26 cze 2019 · Is there a way to detect if a value is a number in a MySQL query? Such as SELECT * FROM myTable WHERE isANumber(col1) = true
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.
Return the arc tangent. ATAN2(), ATAN() Return the arc tangent of the two arguments. CEIL() Return the smallest integer value not less than the argument. CEILING() Return the smallest integer value not less than the argument. CONV() Convert numbers between different number bases.
Comparison operations result in a value of 1 (TRUE), 0 (FALSE), or NULL. These operations work for both numbers and strings. Strings are automatically converted to numbers and numbers to strings as necessary. The following relational comparison operators can be used to compare not only scalar operands, but row operands:
6 cze 2024 · The IF () function in MySQL returns a value if the condition is TRUE and another value if the condition is FALSE. The MySQL IF () function can return values that can be either numeric or strings, depending upon the context in which the function is used.
28 maj 2024 · We can use either a CASE statement or an IIF() function to implement IF-THEN logic in SQL. In this tutorial, we’ll explore how to implement IF-THEN logic in SQL across various dialects such as SQL Server, MySQL, and PostgreSQL. 2. Using CASE
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:
