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 :: Expressions
Literals, operators, comments and variables in KBSQL.
SQL :: Floor
Returns the largest whole number that is less than or equal to the given number.
SQL :: FormatDateTime
Parses a date/time value and returns it formatted with a .NET date/time format string. See DateTime for the format specifiers.
SQL :: FormatNumeric
Formats a number using a .NET numeric format string and returns the result as text.
SQL :: Guid
Returns a new random globally unique identifier.
SQL :: IfNull
Returns the given value, or the default value when the given value is null.
SQL :: IfNullNumeric
Returns the given number, or the default number when the given value is null.
SQL :: IIF
Short for "immediate if": returns whenTrue when the condition is true and whenFalse otherwise. The condition is usually one of the boolean functions such as IsEqual or IsGreater.
SQL :: IndexOf
Returns the zero-based position of the first occurrence of textToFind in textToSearch, starting the search at offset. Returns -1 when it is not found.
SQL :: IsBetween
Returns true (1) if the value is within the given range, including the range boundaries.