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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Explain What is Relation? A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
examples of fields in a database
What are the types of reference?explain it with suitable examples? Object oriented language given the ability to refer the object attribute of the type can be referred to the s
What is a hashing function? What are the properties of a good hashing function? Describe the folding technique for hashing functions. Ans: Hashing function is a method
Explain the concept of QBE? Query-by-example represents a visual/graphical approach for accessing information in a database by the use of query templates called as skeleton tab
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
what is binary relationship
Explain Hierarchical Model ? Hierarchical Model - It was established to model several kinds of hierarchical organizations which exist in the real world. It uses tree structur
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. This database stores records from a (ve
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