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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
List and also explain the dissimilar stages of DDLC ?
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
#question. Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the
Why are cursors necessary in embedded SQL? A cursor is an object used to store the output of a query for row-by-row processing through the application programs. SQL statements
i want notes on this topic
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
what is binary relationship
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
online eductional management system ke diagram
Write the motivations led to development of OO-DBMS? 1. Programmer frustration with RDBMSs. 2. Requirement for special features.
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