WebUse value set aggregate functions when you want to aggregate a list of values provided by the select SQL query of the user-defined query into a single value. The expression causes an error in the calculation process if the user-defined query provides a list of values without using a value set aggregate function. WebFeb 16, 2016 · SELECT U1.*, L1.Level FROM Users AS U1 INNER JOIN ( SELECT U2.Username, MAX (L2.MinPoints) AS QualifyingMinPoints FROM Users AS U2 INNER JOIN Levels AS L2 ON U2.UserType = L2.UserType WHERE L2.MinPoints <= U2.Points GROUP BY U2.Username ) AS Q ON U1.Username = Q.Username INNER JOIN Levels AS L1 ON …
SQL - Using MAX in a WHERE clause - Stack Overflow
WebDec 16, 2024 · Use nvarchar (max) when the sizes of the column data entries vary considerably, and the string length might exceed 4,000 byte-pairs. sysname is a system-supplied user-defined data type that is functionally equivalent to nvarchar (128), except that it isn't nullable. sysname is used to reference database object names. WebApr 25, 2016 · Detail. The original query specification appears to be: How many rows are there in the table where active = 2; and the id column equals the highest id value across all … timothy freitas
CASE with max () - Database Administrators Stack Exchange
WebJul 22, 2024 · A where clause checks every row to see if it matches the conditions specified. A max computes a single value from a row set. If you put a max, or any other aggregate function into a where clause, how can SQL server figure out what rows the max function can use until the where clause has finished it filter? WebHere is a look at a similar syntax to example 1: select oT.dateField, oT.siteID, oT.field1, oT.field2, oT.field3, from originalTable as oT inner join (select max (dateField) as newestDate, siteID from originalTable group by siteID ) as newTable on oT.siteID = newTable.site_ID and oT.dateField = newTable.newestDate order by oT.siteID asc To me, … WebSQL MAX () is one of the aggregate functions available in SQL that helps us fetch the greatest value among multiple values specified in the column values of records, the … timothy freke books