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Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN
In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation are padded along with nulls and are added to the result of the left outer join. Likewise, in right outer join tuples from the right-hand-side relation which do not match any tuple in the left-hand-side relation are padded along with nulls and are added to the result of the left outer join.
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
In how many parts events are classified Events are classified as four types in UML 1. Signals 2. Calls 3. Passing of Time 4. Change in State
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
Representing complex relationship among data A database may contain varieties of data interrelated to each other in numerous ways. A DBMS must have the capability to represent
Submit the table creation statements (including constraints) for the Database Model. Submit them all in a single script file. Also submit a document explaining what test data yo
vertical fragmentation
For Colorado customers calculate the number of single products ordered. If a product is purchased on multiple orders, it should be counted only single time. The result should conta
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
System Design: An Object Oriented Approach Any software systems always try to change and evolve as technology and business rules evolve. The development of information systems
a project based on normalization with first, second and third normalization. There need to be a diagram also
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