DATABASE | SQL | SQL INTERVIEW QUESTION AND ANSWERS 24 | WHAT ARE THE DIFFERENT TYPES OF CURSORS? | WHAT ARE THE DIFFERENT TYPES OF CURSORS? | WHAT IS A VIEW? | WHAT ARE DIFFERENT TYPES OF END USERS?

Sql Interview Question and Answers:

122.     What are the different types of cursors?
    Types of cursors :
    Static
    Dynamic
    Forward-only
    Keyset-driven

123.     What is a Catalog?
      A catalog is a table that contain the information such as structure of each file ,the type and storage format of each data item and various constraints on the data .The information stored in the catalog is called Metadata . Whenever a request is made to access a particular data, the DBMS s/w
 refers to the catalog to determine the structure of the file.

124.     What is a view?
      A view may be a subset of the database or it may contain virtual data that is derived from the database files but is not explicitly stored.

125.     What are different types of end users?
    Casual end-users
    Casual end-users
    Sophisticated end users
    Stand alone users

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