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What is Asterisk in SQL?
Asterisk (*): In SQL, the columns for all the tables and views in the FROM clause will be displayed.
definition and its work
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
Question 1 Discuss the classification of DBMS based on location of database Question 2 Explain with examples different SQL commands used for creating and deleting relations.
Construct a generalization-specialization hierarchy for a motor-vehicle sales company. The company sells motorcycles that comprise an engine number and cost; cars that have a chass
projects?
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Data slice explanation
What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
What are the various properties of Relational tables? Relational tables have 6 properties: 1. Each row is unique. 2. Column values are of the same kind. 3. Values are
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