Joining Tables When Certain Conditions Must Be Met: A SQL Server Example

Handling NULL Values in SQL SELECT Queries: A Guide to Avoiding Unexpected Behavior

Understanding Caller Names from Calls Data in SQL Server

Constructing a URL for Web Services Using Variable Parameters

Selecting Combinations of ID Ranges with Aggregate Criteria in T-SQL using CTEs and Aggregation Functions

Optimizing SQL Queries by Avoiding Sub-Queries in the WHERE Clause and Using Window Functions

Exporting Data from SQL Server Stored Procedures to CSV Files without SSIS Packages

How to Calculate Running Total of "Due" Jobs in SQL Server 2012: Recursive Queries and Cursors Compared

Identifying Records Repeating Within a Set Time Frame Since Their First Creation in SQL Using Self-Join Method

Resolving Incorrect Results in SQL Server Joins: Choosing the Correct Base Table