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Apr 9, 2010 · 1. Do you really need wrapping select statement? You can declare two variables @value1 and @value2 and substruct them. declare @value1 int, @value2 int. select @value1 = Max(Value) as [Value1] from History WHERE Datetime ='2010-1-1 10:10' and tagname ='tag1'. select @value2 = Max(Value) as [Value2] from History WHERE Datetime ='2010-1-1 10:12 ...
SQL Logical Operators. Operator. Description. Example. ALL. TRUE if all of the subquery values meet the condition. Try it. AND. TRUE if all the conditions separated by AND is TRUE.
May 23, 2023 · The plus (+) and minus (-) operators can also be used to run arithmetic operations on datetime and smalldatetime values. For more information about the precision and scale of an arithmetic operation result, see Precision, Scale, and Length (Transact-SQL). See Also. Mathematical Functions (Transact-SQL) Data Types (Transact-SQL) Expressions ...
Aug 7, 2008 · Absolutely, EXCEPT clause in SQL Server is exactly similar to MINUS operation in Oracle. The EXCEPT query and MINUS query returns all rows in the first query that are not returned in the second query. Each SQL statement within the EXCEPT query and MINUS query must have the same number of fields in the result sets with similar data types.
Aug 28, 2017 · MINUS is a name for the "set difference" operator that is used only by Oracle. SQL Server uses the (standard) name, EXCEPT, for this operator. Replacing the MINUS with EXCEPT will solve the issue: SELECT Customer_Name FROM Customer WHERE Customer_No IN (SELECT Customer_No FROM Customer EXCEPT SELECT Customer_No FROM DVD_Purchase ) ;
Mar 15, 2012 · Subtract two time values in SQL Server. 0. Subtracting Datetime in SQL query. 2. sql subtract dates. 4. Subtracting only Time from Datetime columns. 3.
May 20, 2014 · TABLE_A as a. JOIN. TABLE_B as b ON a.id = b.table_a_id. "subtracted_value" should be the value of column 4 of table a minus column 3 of table b here. You need to join the tables using an id so you can see which row of TABLE A belongs to which row of TABLE B.
