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Use fn_virtualfilestats() for I/O Tests
How to Use fn_virtualfilestats() for I/O Tests? If want to use the fn_virtualfilestats() function table to calculate the I/O statistics while doing performance tests, you need to take a copy of the current counters from the fn_virtualfilestats() function before running a test, run the test, then com...
2019-05-12, 1157🔥, 0💬

Test Script for SELECT with CURSOR
Where can I get a SQL script to do I/O performance test with SELECT statement using CURSOR to loop through records? Here is a SQL script to do I/O performance test with SELECT statement using CURSOR to loop through records. It uses the fn_virtualfilestats() function table to calculate the I/O statis...
2019-05-06, 1129🔥, 0💬

SELECT with BIGINT on SQL Server 2016
What is the data read performance with the SELECT statement using BIGINT as the search criteria on SQL Server 2016? To see the data read performance with the SELECT statement using BIGINT as the search criteria on SQL Server 2016, you can run the SQL script, fyi_select_bigint.sql, presented in the l...
2019-04-29, 1260🔥, 0💬

No Reads on SELECT with CURSOR on Azure SQL Database
Why is there no reads recorded by fn_virtualfilestats() on SELECT statements with CURSOR on Azure SQL Database? If you run the SQL script, fyi_select_cursor.sql, presented in the last tutorial with different @Count and @Size on Azure SQL Database, you will see that the fn_virtualfilestats() function...
2019-04-25, 1109🔥, 0💬

SELECT with PRIMARY KEY on SQL Server 2016
What is the data read performance with the SELECT statement with a PRIMARY KEY field on SQL Server 2016? To see the data read performance with the SELECT statement with a PRIMARY KEY field on SQL Server 2016, you can run the SQL script, fyi_select_in_memory.sql, presented in the last tutorial with d...
2019-04-24, 1160🔥, 0💬

Test Script for SELECT with MEMORY_OPTIMIZED
Where can I get a SQL script to do I/O performance test with SELECT statement on a MEMORY_OPTIMIZED table? Here is a SQL script to do I/O performance test with SELECT statement using BIGINT PRIMARY KEY on a MEMORY_OPTIMIZED table. -- fyi_select_in_memory.sql -- Copyright (c) FYIcenter.com -- DECLARE...
2019-04-23, 1268🔥, 0💬

SELECT with PRIMARY KEY on Azure SQL Database
What is the data read performance with the SELECT statement using PRIMARY KEY as the search criteria on Azure SQL Database? To see the data read performance with the SELECT statement using PRIMARY KEY as the search criteria on Azure SQL Database, you can run the SQL script, fyi_select_primary_key.sq...
2019-04-21, 1121🔥, 0💬

Test Script for SELECT with BIGINT
Where can I get a SQL script to do I/O performance test with SELECT statement using BIGINT as the search criteria? Here is a SQL script to do I/O performance test with SELECT statement using BIGINT as the search criteria. It uses the fn_virtualfilestats() function table to calculate the I/O statisti...
2019-04-19, 1217🔥, 0💬

SELECT with MEMORY_OPTIMIZED Table on SQL Server 2016
What is the data read performance with the SELECT statement with a MEMORY_OPTIMIZED table on SQL Server 2016? To see the data read performance with the SELECT statement with a MEMORY_OPTIMIZED table on SQL Server 2016, you can run the SQL script, fyi_select_in_memory.sql, presented in the last tutor...
2019-04-17, 1178🔥, 0💬

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