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what is data link layer
describe objectivde of file organisation
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil
DML Precompiler All the DBMS have two basic sets of Languages - Data Definition Language (DDL) that have the set of commands needed to define the format of the data that is b
Let us first describe the term relationships. What Are Relationships? A relationship can be defined as: A set of associations or connection, or A rule for communic
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
What are the different integrity constraints in RDBMS? The various integrity constraints in RDBMS are as: Primary Key: primary key is a grouping of one or more attributes
example of embedded SQL query
What is the full form of DDL? DDL is stand for Data Definition Language.
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