>>> Try our online JOIN Types Course Today! As I have been working on the SQL Server JOIN Types poster, I have received several questions around the difference between a CROSS JOIN, and a FULL OUTER JOIN. After looking at the Venn diagrams for the two, they are both shown as the same, however they are not the same by …
Here is a short video tutorial that shows how to use the COALESCE function in T-SQL on SQL Server. This was originally part of my free SQL query training for the 70-461 certification exam. Here is the first sample code from the video: And then the code that shows the performance differences: More Info: Additional Training on my YouTube Channel …
Earlier in the week I added a blog entry on using the OUTPUT Clause on INSERT Statements, today I will expand it by exploring the use of the OUTPUT clause with UPDATE statements. Generally when you do an UPDATE statement you only get a row count returned, you don’t generally get a result set showing what was changed. With the OUTPUT clause …
Default Values and Computed Columns In SQL Server 2008, I was presented with the following error when attempting to create a table that has a default value that references other columns in the same table. Msg 128, Level 15, State 1, Line 6 The name “Subtotal” is not permitted in this context. Valid expressions are constants, constant expressions, and (in …
MSG 128, Level 15, State 1 – not permitted in this context Read more »