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Explain the term- Data Flows
Data Flows: A data flow connects output of an object or process to input of another process or object. It represents an in-between data value within a computation. Data flow states direction of flow of data from the source objects to destination object.
A database administrator''s responsibilities and data contents
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
Define instance and schema? Instance: Collection of data stored in the data base at a certain moment is Schema: The overall design of the data base is known as the data base
what is 3nf
Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,
how to connect vb.net with access
File Manager File manager handles the allocation of space on disk storage. It starts and maintains the list of structures and indices described in the internal schema that is
what is the relationship between receipt and owner entities in computer sales and service company
Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include
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