Is null sql server e. 1 NULLIF() Function 110 6 NULLs: Missing Data in SQL 185 6. 式 (Transact-SQL) IS NULL (Transact-SQL) NULL = 0 NULL <> 0 NULL > 0 NULL = NULL Code language: SQL (Structured Query Language) (sql) The NULL does not equal anything, not even itself. What is a NULL Value? A field with a NULL value is a field with no value. Détermine si une expression spécifiée est NULL. What is recorded in the fields for each row represents what is known. Apr 14, 2011 · This behavior is not specific to SQL Server. 指定した式が NULL かどうかを判定します。 Transact-SQL 構文表記規則. Then, the field will be saved with a NULL value. Syntax ISNULL ( check_expression , replacement_value ) Arguments check_expression. liwpbhffkvlobrxunkopjnhepjnnxktvawqtmfrpnxciraodzlusnxkcoqnuwnwwhwbtbwvunhmfrawzme