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Explain what is RDBMS ?
RDBMS - RDBMS is a database management system (DBMS) which stores data within the form of relations. Relational databases are powerful since they need few assumptions about how data is associated or how it will be extracted from the database. As an output, the similar database could be viewed in several different ways. A significant characteristic of relational system is that a single database can be spread across several tables. This differs from flat-file databases, in that each database is self-contained within a single table.
What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system
How is concurrency identified? Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation imp
What is ICR? A. ICR (Intelligent Character Recognition) is a technology that gives scanning and imaging systems the ability to identify images of hand-printed or script charact
Identify the need and use of data control through problem solving, illustration
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
Discuss how the one-to-one associations have to be implemented. Some of properties of associations can be implemented directly by providing suitable declarations of the data me
What are the advantages and disadvantages of using a database system. Sol. Advantages of Database System (DBMS) : (1) Data Redundancy and Inconsistency: Since differen
Consider an information system designed for an online company which provides IT products and services These include desktops, laptops, networking products, IT books, parts, and
An ideal data dictionary should have everything a DBA wants to know about the database. 1 Conceptual, External, and internal database descriptions. 2. Descriptions of attr
With the linear commit protocol, sites are connected in a chain, and the subtransaction at the left-hand end of the chain initiates the protocol. Propose a crash recovery protocol
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