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There is a simple way to get top N rows from any table: SELECT TOP 10 * FROM MyTable ORDER BY MyColumn Is there any efficient way to query M rows starting from row N. For example, Id Value 1 a 2 b 3 c 4 d 5 e 6 f And query like this. SELECT [3,2] * FROM MyTable ORDER BY MyColumn /* hypothetical syntax */
I would want to get the rows between values of 15 and 16. Basically, if I could sort by id, then time, and gather the rows after 15 appears until there is a value of 16 within that same id. If there is no value 16, I would want the next 100 rows for example and then search for the next value of 15. I would like the query to return this:
18 cze 2024 · In this article, we used the OFFSET and LIMIT clauses in SQL queries to select the nth row from an SQL table. First, we used the ORDER BY clause to sort the data based on the column value. Then, we used OFFSET and LIMIT to select the nth row of the table.
select * from ( select Row_Number over (order by ClusteredIndexField) as RowNumber, * from MyTable) as PagedTable where RowNumber between @LowestRowNumber and @HighestRowNumber; When getting page 1, the query takes 0.577 seconds.
If someone wants to get M to N records of Dept Number instaed of Emp Number. select * from (select tmp1.*, rownum1 rnum from (select e.* from scott.emp e, scott.dept d where e.deptno = d.deptno)tmp1, (select deptno, rownum rownum1 from scott.dept)tmp2 where tmp1.deptno = tmp2.deptno and rownum1 <= :End ) where rnum >= :Start ; /
30 lip 2013 · Use ROW_NUMBER() function in t-sql. See MSDN USE AdventureWorks2012; GO WITH OrderedOrders AS ( SELECT SalesOrderID, OrderDate, ROW_NUMBER() OVER (ORDER BY OrderDate) AS RowNumber FROM Sales.SalesOrderHeader ) SELECT SalesOrderID, OrderDate, RowNumber FROM OrderedOrders WHERE RowNumber BETWEEN 50 AND 60;
17 gru 2014 · List the five most recent recent transaction dates and IDs from the TransactionHistory table, for each product that starts with a letter from M to R inclusive. Same again, but with n history lines per product, where n is five times the DaysToManufacture Product attribute.
