SQL Tip – Working With the UNION Clause

I have been working with the SQL language for very many years. I take for granted that most developers are not very experienced in using commands outside of simple select, insert, update and delete statements. Certainly, this can be a disadvantage… (Click for more)

SQL Tip – Update Many Records in One Table With Another

I did not wait a long time for the inspiration to write this next tip. The update statement can be confusing if you are not writing SQL on a regular basis. I will explain how to update a table with the records from another table… (Click for more)

SQL Tip – Finding Duplicate (or Having)

Most developers have a basic knowledge of the SQL commands “Select,” “Insert,” “Update” and “Delete.” Sometimes you want the database to return something different than was initially planned and that is when you need the SQL statements to do more. Being asked to find duplicates is a request that comes up repeatedly.