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Inserting the results of a stored procedure into a table
There’s an extremely useful feature in T-SQL that let’s you insert a rowset from a stored procedure or function directly into a table or (from SQL Server 2005 onwards) a table variable. Where this...
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Flexible Search using Stored Procedures: varying the WHERE clause at run-time
Stored Procedures offer a number of advantages when developing databases, perhaps the chief among them being performance and security. I am loathe to lose these advantages but because they are...
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Introduction to SQL Injection
I wrote a post recently about creating flexible WHERE clauses in stored procedures to support, amongst other things, requirements for flexible search functionality without resorting to building and...
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How and why to use LEFT JOINs in SQL statements
LEF T JOINs are something I’ve been using in SQL statements for literally years without thinking much about it but a few conversations recently have made me realize that with the rise of ORMs, a lot of...
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Using SQL and LEFT JOINs to find missing data
It’s not unusual when working with data-driven applications to be asked to produce ad-hoc exception reoprst of the type: there should a at least one row in TableB for each row in TableA – can you tell...
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