The data stores definitions of information types, identifies the primary and foreign keys, and maintains the relationships.
A. NoSQL spool Map
B. Reduction
C. Dictionary
D. Query language
E. Hadoop link

C: Dictionary

Explanation:

The Data dictionary stores definitions of information types, identifies the primary and foreign keys, and maintains relationship between elements that are used in the control of access and for manipulating a database. It is usually a set of information that provides the description of a database's format, contents and structure.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.