The SQL SELECT TOP Clause. The SELECT TOP clause is used to specify the number of records to return. The SELECT TOP clause is useful on large tables with thousands of records. Returning a large number of records can impact on performance. SQL SERVER – How to Retrieve TOP and BOTTOM Rows Together using T-SQL. March 2, Select [TOP] = MAX(COL1), [BOTTOM] = MIN(COL1) from SOMETABLE) Select [TOP] from OnePhase UNION ALL Select [BOTTOM] from OnePhase. Watched the execution plan and nope it was 2 set of operations ans finally concation. Select TOP itself is "random" in theory, and this is the correct implementation for Select BOTTOM. In a table of records, bottom is everything except top – tzachs Aug 5 '15 at
test database with scores, like this:. Would SQL Server return the 10 highest scores, or just the top 10 obs based on how the data look like now e. I want to be able to get the top 10 highest scores and bottom 10 lowest scores out of this scores, what should I do? You can do it with sql server select top bottom
single count as below.