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What is a view?
A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived from one or more tables.
Waterfall model is the linear model. The process is completed by step by step. We couldn't stop in between of the process. Prototype model: after get the model by low cost budget o
explain thee diffrent types of data models
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
Normalize the given relation to 3NF, justifying each step
Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Which element in the database can modified by changing the data dictionary? Data elements in the database can be changed or modified through changing the data dictionary.
Home based assignment Consider an ORDER table with the following attributes: • Order Number (ONo),Customer Number (CNo),Customer Name (CNa),Item Number (INo),Unit Price (UP), Quant
Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines: You must submit at least 5 SELECT Statements. Each
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