Sql Server 2008 R2 Interview Questions And Answers Pdf
This reduces server overhead. BizTalk Server Administrator. Address of report server gets expose to user. An interview is a very important event for any person.
The transaction follows all or nothing rule. Colour for a placeholder inside of a text box in the details row for a Tablix. Expressions provide us with flexibility to customize our report. One-to-Many relationships - By splitting the data into two tables with primary key and foreign key relationships.
There are lot of opportunities from many reputed companies in the world. It increases the query performance by reducing the joins. The clause specifies the column s that you are going to rank.
Differentiate between a Local and a Global temporary table? Documents are not shared due to copyright issue but you can link and it is alright. It can become the primary key of the table as well. However, even here, care has to be taken.
These are the properties of a transaction. Varchar and nvarchar are same but the only difference is that nvarhcar can be used to store Unicode characters for multiple languages and it also takes more space when compared with varchar. Local temporary tables are visible when there is a connection, and are deleted when the connection is closed. Here the rows with equal salaries will not get same ranks.
If so, explain how we can do. If the select statement has too many joins then it the view will perform poorly. This has to be done manually. Server agent's purpose is to implement the tasks easily with the scheduler engine which allows our jobs to run at scheduled date and time.
Read more in the download Page Compression Page compression allows common data to be shared between rows for a given page. The tempdb contains temporary objects like global and local temporary tables and stored procedures. What are the types of subquery?
Dirty pages - These are the buffer pages that contain modifications which have not been written to disk. What is recursive stored procedure? It allows two users to view and read the data till the transaction is in progress.
What is a Cursor
Articles Quick Answers Messages. The main area of your focus should be, the healing power of sufi meditation pdf is there an alternative way of doing things? So the cost of proportional is the number of rows of that table. Display your data in graphic format using Chart Region. Multiple mirrors are created and then stripes over it.
It is the timing of the operation that differs from the alias columns. It is used for easy retrieval of data from the database by altering the way that the records are stored.
The list can be used to display multiple table and matrix. Referential integrity refers to the consistency that must be maintained between primary and foreign keys, i. One-to-One relationship - It can be implemented as a single table and rarely as two tables with primary and foreign key relationships. Data regions are report items used to display data from a single dataset. Revisiting stored procedures every six months or so, to ensure that they are still running at their optimum performance is essential.
What's the difference between a primary key and a unique key? Filtering data based on them Performance is good Full set of records is retrieved then filtered.
This can be used in a table or matrix to show the relative value of a field in a range of values in the data region. This is a very open ended question and there could be lot of reasons behind the poor performance of a query. What are the basic functions for master, msdb, model, tempdb databases?
This set of rules is called Normalization. Triggers are automatically triggered or executed when the data is modified. What are the differences between local and global temporary tables? There will be times when it is not possible to avoid cursors, and I doubt if many systems exist without them.
Even if I have to break this down into several chunks of work, can I do this work without using cursors, and so result in faster performance. Candidate key, Alternate key, Composite key. Stored Procedure is a set of statements which is stored in a compiled form. The lower the number of records to process, the faster the cursor will finish.
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