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But all the eight data pages are not created at once; they are created depending on data demand. What are the different types of collation sensitivity?
As mentioned before, DBMS provides a systematic and organized way of storing, managing and retrieving from a collection of logically related information.
So as soon as the eight pages are consumed, it allocates a new extent with data pages. Actually you can normalize database to fifth normal form. So in order to implement this, we have one more table Employee Technology which is linked to the primary key of Employee and Technology table. A sweet summary and you will rock. Now, some sql server 2008 interview questions by shivprasad koirala down the line a third party application has to be integrated with this file.
These two smaller bits of information form one record of the above given table. Given below is a sample of many-to-many relationship. It does not limit the number of connections but makes the connection request go slow.
However, the advantage of this architecture is that your server can be of a low configuration. In the above example, city1 and city2 are repeating. But believe this book, answering three normal forms will put you in a decent shape during an interview. But Shivorasad think no matter how much experience you have, an interview is a different ball game. So Asset entity has one-to-many relationship between them as the ER model shows below.
Add some more questions sithmichel Sep 2: The above table shows some sample byy. Well detailed and thought out. The second normal form states that each field in a multiple field primary derver table must be directly sql server 2008 interview questions by shivprasad koirala to the entire primary key. What is the difference between a file and a database? This set of rules is known as Normalization.
There is a huge similarity between Fourth and Fifth normal form, i. DB What are the different sections in Page? A non-key field should not depend on another Non-key field.
This is a simple text file, which was designed by a programmer for a specific application. Collation refers to a set of rules that determine how data is sorted and compared. However, there must be at least one language whose statements are expressible, per some well-defined syntax, as character strings and that is comprehensive in supporting all the following items:. These smaller pieces of information can be maintained with less redundancy.
It works fine in the boundary of the application. In order for these tables to be in First normal form, you have to modify the table structure as follows. Data rows are sql server 2008 interview questions by shivprasad koirala your actual row data is stored. Moreover too much optimization could hurt your app performance, so I would extend paragraph about “denormalization” with a couple of examples.
SQL Server Interview Questions – Part 1 – CodeProject
In other words, each non-key field should be a fact about all the fields in the primary key. NET programmer working on projects often stumbles on this question, which is but obvious. Introduction In this article we will go through the most basic and frequently asked interview questions on SQL Server. Manish Chadha Aug Can files qualify as a database? Excellent Article Ralph in Boise May Q What are page splits?
For every data row, there is a row offset which points to that data row.
SQL Server interview questions: -What is CTE (Common table expression)?
itnerview E-R diagram also termed as Entity-Relationship diagram shows the relationship between various tables in the database. Finally, it should provide an independent way of accessing data and should not be dependent on the application to access the information. There are two major differences: For instance, if you want to see customers who stay in India, in File Sharing architecture all customer records will be sent to the client PC regardless whether the customer sql server 2008 interview questions by shivprasad koirala to India or not.
JM Associate can sell sweets under the following two conditions:.