The following query is given as an expression of relational algebra. Project[Projects.jid,Projects.name,Orders.price]( Join[Projects.jid=Orders.jid](  Select[budget>500.000](Projects),  Select[date>’1/1/2010’](Orders))) All tables have hash indexes defined on keys. We have B+ trees defined for Orders.date and Projects.budget, and a hash index on Orders.jid. Suppose our DBMS includes the implementations of the index nested loops join and the sort-merge join. Find a query plan that reads the least number of blocks from the disk. Write all assumptions.

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A: Dear Student, The detailed answer to your question is given below -

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Q: Task

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Intermediate SQL Concepts

A query is a request for data or information from one or more database tables. This information could be presented in the form of pictorials, graphs, or complicated findings which helps in easy interpretation. Structured Query Language (SQL) is the most widely used programming language for retrieving and organizing data from relational databases. Collection of tables with rows and columns is referred to as a database. SQL is the language of databases. It makes it easier to extract specific data from databases, which can then be used for analysis.