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How can you create script of objects in database?
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Posted Date :
July 31, 2011
Sql Server Management Studio can be use to generate script of all the objects in database server.
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How can you create script of objects in database?
You have got a complex object to create whose construction takes a long period. You have to create 1000 such objects but at the same time only one object is required. What should be the pattern to use?
Database should be created as a SINGLE_USER state Whenever you create a new Database. What should you do ?
1. Normally, when we create a new database, All the properties will be inherited from the Model database.
2. So, Just change the Model database's State to SINGLE_USER.
3. Now onwards, The new database will be created as SINGLE_USER state.
You work for a bank that uses a SQL Server 2005 database to store line items from customer banking transactions. The bank processes 50,000 transactions every day. The application requires a clustered index on the TransactionID column. You need to create a
table that supports an efficient reporting solution that queries the transactions by date.What are the two ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A. Place a nonclustered index on the date column.
B. Add a unique clustered index on the date column
C. Map each partition to a filegroup, with each filegroup accessing a different physical
D. Create a partitioning scheme that partitions the data by date.
How will you create objects?
A class defines a type of object, but it is not an object itself. An object is a concrete entity based on a class, and is sometimes referred to as an instance of a class.
Objects can be created by using the new keyword followed by the name of the class that the object will be based on, like this:
Customer object1 = new Customer();
When an instance of a class is created, a reference to the object is passed back to the programmer.
Database Concurrency in Sql Server.
When two or more user try to update same type of data in a table then Database Concurrency helps in this situation.
There are 2 types of Database Concurrency
Pessimistic: When one user try to change the data with pessimistic concurrency then a lock is placed on the data in a table so that another user cannot change data. when one user finishes then other user can able to change.
Optimistic: When two user works on the same data in a table and one change that data first then second user cannot change that same data becasue the which he have using is allready changed so he cannot do the change becasue change apply to another data that is changed by first user.
Is it true that COM objects no longer need to be registered on the server?
Yes and No. Legacy COM objects still need to be registered on the server before they can be used. COM developed using the new .NET Framework will not need to be registered. Developers will be able to auto-register these objects just by placing them in the 'bin' folder of the application.
What is Private Constructor? and it's use? Can you create instance of a class which has Private Constructor?
When a class declares only private instance constructors, it is not possible for classes outside the program to derive from the class or to directly create instances of it. (Except Nested classes)
Make a constructor private if:
1) You want it to be available only to the class itself. For example, you might have a special constructor used only in the implementation of your class' Clone method.
2) You do not want instances of your component to be created. For example, you may have a class containing nothing but Shared utility functions, and no instance data. Creating instances of the class would waste memory.
Which index option causes SQL Server to create an index with empty space on
the leaf level of the index?
What are the requirements to create a CLR based user-defined type?
CLR must be enabled for the instance and A class created with a CLR-compatible language.
What do you need to specify to create a linked server?
OLE DB Data Source
To create a string literal exclude escape sequence
@string. With adding @ at the beginning you can escape literal
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?
Data Definition Language (DDL)
What command is used to create a table by copying the structure of another table?
CREATE TABLE .. AS SELECT command
To copy only the structure, the WHERE clause of the SELECT command should contain a FALSE statement as in the following.
CREATE TABLE NEWTABLE AS SELECT * FROM EXISTINGTABLE WHERE 1=2;
If the WHERE condition is true, then all the rows or rows satisfying the condition will be copied to the new table.
What is a Database system?
The database and DBMS software together is called as Database system.
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