Long Title! Let me explain. This post will help you solve following problem if you run into it:
1) You are using SSMS Import data wizard to load data from a comma (or tab) separated value (CSV/TSV) file into SQL Server Table & you find that your source data values has double quotes and so you want to strip them before loading to destination table.
2) You are using SSIS to load data from a CSV/TSV file into SQL Server Table & you want to strip the double quotes in source table fields before you load the data to destination table.
1. After you’ve configured the Flat File connection. you’ll reach to a point where you’ll see “Flat File Connection Manager” in SSIS. Or in the SQL Server Import & Export data wizard, you’ll see a dialog box to configure flat file connections.
2. In the Text Qualifier, enter “
3. Make sure to Preview the data to verify that the double quotes around data fields have been trimmed.
4. That’s it! You’ve successfully configured the flat file connection manager to strip double quotes.
This blog post is for people who have seen the reports built on PowerPivot model where the Month Names are not in correct logical order. So instead of “January, February, March, April …” (which is correct logical order), the order in the report would be displayed as “April, February, January, March..” (which is NOT correct).
This is what I am talking about:
Here, Month names are not sorted correctly, right? So how do we solve this? Let’s see this in this blog post!
Though SQL Azure does need that a table has a clustered index. So to this end, Let’s write some TSQL code and cement this concept in our brain. So as a part of the test, we would create a table with no primary key – However we would certainly create a clustered index on one of the column. So let’s get started:
OK, so here’s the TSQL code to create a table named ‘InternationalStudentList’:
Now let’s insert some data into this table. Here’s the query:
[code language=”sql”] insert into internationalstudentlist values(‘Paras Doshi’,’India’,’Masters in IT and Management’) go [/code]
If you run the above query – you would get the error:
Msg 40054, Level 16, State 1, Line 1 Tables without a clustered index are not supported in this version of SQL Server. Please create a clustered index and try again.
So we know that a table in SQL Azure requires a clustered index, right? So, Let’s create one! Let’s assume that the InternationalStudentList would be queried a LOT to answer the question: “List all StudentName whose HomeCountry is X” – So based on this information let’s create a clustered index on HomeCountry Column. Here’s the TSQL code:
[code language=”sql”] create clustered index cix_internationalstudentlist_homecountry ON InternationalStudentList(HomeCountry) go [/code]
Once a clustered index is created, Try inserting data again. And you would see that a row would get successfully Inserted! Run a Select Command to verify that:
And as you can see, we were able to insert a row in a table. Remember that this table did not have a primary key But we did create a clustered index. The Goal of the Post is achieved here, But just want to show you the Query Plan for a Query that looks like:
[code language=”sql”] select StudentName,HomeCountry,DegreeProgram from InternationalStudentList where HomeCountry = ‘India’ go [/code]
Note that I have run this queries on Management portal for SQL Azure, You can run it in SSMS too. But the goal is to show you that we have clustered index seek and that’s one of the way to tune queries. Not going into details in this post – And That’s about it for this post. Your feedback is welcome.
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