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- #Redgate sql prompt invalid object new table how to#
- #Redgate sql prompt invalid object new table update#
- #Redgate sql prompt invalid object new table code#
"But won't that slow me down?" Initially, maybe, a little. This makes sure these errors are caught up front, and not six months from now when a database is migrated or consolidated.
#Redgate sql prompt invalid object new table code#
I have long been a proponent of developing - at least for code that does not cross databases or servers - on a case sensitive collation. There are some code analysis tools that can check for things like this when I pinged George Mastros ( he agreed that it was a good idea, and is going to try to put it in an upcoming release of SQLCop.īut you can prevent these problems far earlier than that, if you're willing to do it.
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This is one of those things that is fairly easy to get right from the start, and a lot more cumbersome to fix later. In most cases the errors will be caught at deployment time, but in a few, the objects could be created successfully anyway, and problems would not be detected until testing/QA time (or, worse, even later). Long story short, a lot of things can go wrong when you develop in a case insensitive collation but code might ultimately get deployed to a case sensitive database or instance (or both). Even more reason for you to just strive to have code that uses correct, matching case from the start, in all cases. So it looks like different rules are used to determine whether case sensitivity matters for system objects, depending on whether you are looking at the object itself or its columns. So, on that initial CI/CI instance, I created the following objects - a table and a matching TVP, along with a stored procedure that intentionally uses the wrong case for the table and column names, and even uses the wrong case for its own input parameter: What I wanted to do was simulate what would happen if I wrote code - sloppily, on purpose - in the best case scenario (case insensitive collation on a case insensitive instance), then tried to deploy it and run it in the other environments. On each instance, I set up two databases, one using each collation. This is usually a normalization error, or rather, a rash and over-ambitious attempt to ‘denormalize’ the database structure. I set up two SQL Server instances, one with the default SQL_Latin1_General_CP1_CI_AS collation, and one with its case-sensitive cousin, SQL_Latin1_General_CP1_CS_AS. 5) Creating tables as ‘God Objects’ ‘God Tables’ are usually the result of an attempt to encapsulate a large part of the data for the business domain in a single wide table. And while the query may work on your machine, it will break if it gets deployed to a case-sensitive database or to a server using a case-sensitive collation. It allows you to write frequently used SQL commands more quickly. A SQL snippet (or auto-replacement) is a frequently used code template which can be inserted into a code you are typing by pressing the TAB key. In SQL 2000, it's possible that the function can get renamed, and mess up the dependency chain because the names of the object in two different system tables do not match. More importantly, though: neither query uses identifiers that exactly match the base table or its columns. DBCompare RedGate DataGrip Emacs YASnippets.
#Redgate sql prompt invalid object new table how to#
how to write a query for this requirement Qty from ordertran table should not be greater than qtyinhand of Items table.
#Redgate sql prompt invalid object new table update#
Create a new table and insert / update it in one procedure How to delete a column from a table. Multiple Plans for an "Identical" Query How to check Invalid Objects in database.I talked about this a bit more thoroughly and showed an example late last year: I am testing all of this on the super user account, so there are no permissions issues.There are a few subtle differences you might spot right away, and if you look at the plan cache, you'll see that you actually stored two copies of the plan (since the query_hash is case- and whitespace-sensitive). Error when I try to insert records into a table that I just created.