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Law Associates is a large legal practice based in Sydney. You have been asked to design a data model for the practice based upon the following specification: The practice emplo
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
how to find entities
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Explain Hashing techniques The hashing techniques can be categorized as: Static Hashing Techniques - In this method, the data can be viewed a collection of buckets, along with
what is definition hierarchical data model
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Operator Precedence The basic operators used in SQL are * / - + Operators of the similar priority are evaluated From Left to right Parentheses are used to force priorit
The Enhanced Entity Relationship Diagram (ERD) produced with a drawing or case tool. Your EERD must use a ''standard'' notation style such as Crows Foot or Chen. Please note that t
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
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