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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
How are tables stored on Disk? We realise that every record of a table can have different amounts of data. This is due to in some records; some attribute values may be "zero".
Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
Write the C++ program having class name studentinfo, that is used to store the VU student information: This class should store your VUID, campus id, name and father name in the fol
I want an iPad app that is a simple 1 page form to complete with text. The Objective is to allow a few dozen people of the same organization (they're all on iPad) to open the app,
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
Given the following set of functional dependencies {cf→ bg, g → d, cdg → f, b → de, d → c} defined on R(b,c,d,e,f,g) a. Is cf→ e implied by the FDs? b. Is dg a superkey?
State the functional approach of object oriented methods Moving from a functional approach to an object oriented one needs a translation of functional model elements into objec
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