Is null or empty sql server If the columns could also have values besides NULL, you just need to add the proper joins and return the column values as a normal select statement would. [Type] = @SearchType OR @SearchType = '' If @searchType is null or an empty string means 'return the whole table' then use Sep 9, 2014 · Check the Variable is Empty or Null Forum – Learn more on SQLServerCentral. I need to find records that have either null values or an empty string. return all values The concept of NULL is an essential aspect of database management systems, allowing flexibility in handling missing or unknown information. In SQL Server 2012 you have IIF, e. Sep 6, 2012 · Consider a case where you want to bring through a varchar column called SomeColumn from table SomeTable and replace its value with, 'Not Available' if the value is NULL or an empty string. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Returns the same type as check_expression. CallDate < @ToDate If ther Oct 15, 2021 · この記事の冒頭で、NULL は値が無いことを示します と書きましたが、つまり値が無い以上、それと = になるものなんて分からないよねと言っており、どんなクエリに対しても = NULL は empty を返します。 先輩が一人以上いるユーザーを検索する。(IS NOT NULL) In addition to the IS NULL operator, SQL also provides the IS NOT NULL operator, which is used to test for non-NULL values in a column. NULL or not true:where bit_column_value IS NULL or bit_column_value = 0`. ewgxdwqrnbdribmqtqsherintosfjjzbyrvfecakfpotyrfnhfcbfvhdshimnacvxxi