IsEmpty

Table of Contents



Returns true (1) if the given value is null or an empty string.

Boolean IsEmpty(String value = null)

Boolean results

Boolean functions return 1 for true and 0 for false. In a WHERE clause compare the result to 1 (or true), for example: WHERE IsLike(Text, 'Cat%') = 1


round-pushpin Returns 1, 1 and 0.
SELECT IsEmpty('') as EmptyString, IsEmpty(null) as NullValue, IsEmpty('x') as Text FROM Single




SQL :: IsDouble
Returns true (1) if the given value can be converted to a decimal number.
SQL :: IsEqual
Returns true (1) if the two given values are equal. The comparison is case-sensitive.
SQL :: IsGreater
Returns true (1) if the first value is greater than the second.
SQL :: IsGreaterOrEqual
Returns true (1) if the first value is greater than or equal to the second.
SQL :: IsInteger
Returns true (1) if the given value is a whole number, with an optional leading sign.
SQL :: IsLess
Returns true (1) if the first value is less than the second.
SQL :: IsLessOrEqual
Returns true (1) if the first value is less than or equal to the second.
SQL :: IsLike
Returns true (1) if the text matches the pattern. The pattern uses the same wildcards as Like: % matches any number of characters and _ matches a single character.
SQL :: IsNotBetween
Returns true (1) if the value is outside of the given range. The range boundaries are considered inside the range.
SQL :: IsNotEqual
Returns true (1) if the two given values are not equal. The comparison is case-sensitive.