服务器端SQL库

Question

Does a library exist in .net that can perform queries server-side?

The reason I ask is even though I've used many tricks to maximize database performance such as SELECT ing and JOIN ing on the PRIMARY , using INT s as the PRIMARY , fixed LENGTH s, UPDATE ing instead of DELETE ing, no NULL s for columns to be UPDATE d, and UPDATE ing tables by using an INT "state" column (such as "active", "inactive", etc), but latency times go from <10ms to >100ms just by using a few SELECT s with 1 JOIN each using the techniques above.

I'm going to start using the server to JOIN instead because I've had lots of success with driving lag back down <10ms doing so, but I'm wondering if there's already a library or built-in feature that can do this.

An example would be breaking a single JOIN query into multiple queries:

1. SELECT a specific row from a table1 based upon the PRIMARY key
2. SELECT a specif row from table2 based upon the PRIMARY located in table1

And the complexity only increases from there. Does such a library/feature exist for .net?

Many thanks in advance!

Answer 1

It sounds like you're looking for something like the ADO.NET Entity Framework . Using LINQ, you can query data in code in such a way that the query expressions are converted to SQL and optimized (as best as possible) to get the data you're querying.