SQL Server Index Overview
When talking about SQL Server performance tuning and queries enhancement, the first thing to consider is the SQL Server Index. It serves to accelerate reading data from underlying tables by providing quick access to the requested rows. Thus, it won’t need to scan all the table’s records.
The SQL Server index provides those fast search capabilities due to the B-Tree structure of the index. This structure makes it possible to move through the table rows based on the index key quickly and retrieve the requested records at once. It won’t need to read the whole table.Read More