A database is used to

Correct Answer: Company Info > Alter

Correct Answer: Catalog views return information that is used by the SQL Server Database Engine Catalog Views are the most general interface to the catalog metadata and provide the most efficient way to obtain, transform, and present customized forms of this information All user- available catalog metadata is exposed through catalog views

Correct Answer: Properties of Sub-Query - A sub-query must be enclosed in the parenthesis - A sub-query must be put in the right hand of the comparison operator, and - A sub-query cannot contain an ORDER-BY clause - A query can contain more than one sub-query Types of Sub-Query - Single-row sub-query, where the sub-query returns only one row - Multiple-row sub-query, where the sub-query returns multiple rows, and - Multiple column sub-query, where the sub-query returns multiple columns

Correct Answer: User defined data-types in SQL is an extension to the base SQL server data-types by provision of a descriptive name We use them to format the database and segregate specific repetitions of rows and columns in the database

Correct Answer: The knowledge of Joins is a MUST for every interviewee Most SQL programmers have used inner join and outer join[left/right]; but the catch point here is to also mention cross join and self-join

Correct Answer: All of the above

Explanation:

In SQL, a SQL view is a virtual table based on the result-set of an SQL statement. A view contains rows and columns, just like a real table.

 

SQL views can be used to hide rows and columns and complicated SQL syntax.

 

The fields in a view are fields from one or more real tables in the database.

Correct Answer: Sorting

Explanation:

The process of arranging any items in a systematic manner in a logical sequence is called as Sorting. It can be of two types :

1. Ordering

Arranging items following some criterion like ascending or descending order

2. Categorizing

Grouping items with similar properties together.

Correct Answer: To format the ABAP code 'pretty printer' is used

Correct Answer: End of the selection event is mostly used when we are writing HR-ABAP code In the HR-ABAP code, data is retrieved in the start of selection event and printing on the list and all will be done at the end of the selection event

Correct Answer: A prompt box allows the user to enter input by providing a text box