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What are the advantages of creating a table from existing table?
For your chosen project, you need to identify the current problem that you wish your project to solve. Produce a Problem Statement. The Problem Statement should explain the purpo
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
how to implement hyrise in C plus plus
what is query processing?
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set
how many hourse have been spent on a certain project
Using Relational Algebra which query finds customers, who have a balance of over 1000 ? Using Relational Algebra Π Customer_name( σ balance >1000(Deposit)) is query to find cu
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
data models are being replaced over years. Reasons and why does that happen?
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