Witryna23 lut 2011 · Table 'Folder'. Scan count 0, logical reads 4, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0. ... depending on how SQL Server and the T-SQL statement works, even dynamic SQL can get a cached plan. – Brent Ozar. ... Slow performance with SQL Compact Server …
How reduce logical reads in SQL Server? – Global FAQ
Witryna1 paź 2024 · A logical read occurs every time the Database Engine requests a page from the buffer cache. If the page is not currently in the buffer cache, a physical read first copies the page from disk into the cache. So, a logical read is when the query … Witryna25 wrz 2024 · Scan count 1, logical reads 2, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0. (1 row (s) affected) SQL Server Execution Times: CPU time = 16 ms, elapsed time = 210 ms. SQL Server parse and compile time: CPU time = 0 ms, elapsed time = 0 ms. cafta bethune
sql server - performance difference between User Defined …
Witryna11 wrz 2024 · Number of logical reads in SQL server JOIN. Please refer to the SELECT query shown below, which includes a JOIN between two tables that I have renamed as Table1 and Table2, where the latter is a temporary one: Table1 has over 15M records, whereas Table2 is around 9K. Product team says the JOIN acts as a filter as far as … Witryna7 mar 2014 · I'm getting following result: Scan count 1, logical reads 490 When I'm leading SQL Server to the right paths by including the to possible values in Active by executing the following SQL: SELECT * FROM [table] WHERE ClientId = [id] AND ProductId IN (1,2,3,5,7,9,20) AND Active IN (0,1) I'm getting following results: Scan … Witryna23 maj 2016 · Logical reads represents the data that must be read from cache in order to process a query. The less amount of data needed to process a query, the better it … cafta case championship