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what is Lossless-join decomposition
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
describe objectivde of file organisation
Why do you go for sorting your query results? SQL SELECT command to fetch data from MySQL table. Whenever you select rows, the MySQL server is free to return them in any order
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
What is a Database? To know what database is, we have to start from data, which is the basic building block of any DBMS. Data: Facts, figures, statistics etc. having no pa
Question: (a) Use the following business rules to produce the E-R diagram. You should clearly show all the minimum and maximum cardinality constraint on each side of the relati
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Consider a database application that deals with an Employee relation with information such as SIN, name, data of birth (DOB), and DID (the ID of the department at which the employe
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
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