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Can you create foreign key constraints on temporary tables?

Posted By :Narayanan     Posted Date :September 03, 2011    Points :40   Category :Sql Server 

You can also find related Interview Question to Can you create foreign key constraints on temporary tables?  below: 

What are the 2 types of Temporary Tables in SQL Server?

1. Local Temporary Tables
2. Global Temporary Tables


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. (More...)

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. (More...)

To create a string literal exclude escape sequence

@string. With adding @ at the beginning you can escape literal (More...)

What command is used to create a table by copying the structure of another table?


Explanation :

To copy only the structure, the WHERE clause of the SELECT command should contain a FALSE statement as in the following.
If the WHERE condition is true, then all the rows or rows satisfying the condition will be copied to the new table. (More...)

What is the use of CASCADE CONSTRAINTS?

When this clause is used with the DROP command, a parent table can be dropped even when a child table exists. (More...)

What are primary keys and foreign keys?

Primary keys are the unique identifiers for each row. They must contain unique values and cannot be null. Due to their importance in relational databases, Primary keys are the most fundamental of all keys and constraints. A table can have only one Primary key.
Foreign keys are both a method of ensuring data integrity and a manifestation of the relationship between tables.

Shashi Ray (More...)

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