'Reserved boat 103' presentation slideshows

SQL: The Query Language Part 1

SQL: The Query Language Part 1. R &G - Chapter 5. The important thing is not to stop questioning. Albert Einstein. Review. Relational Algebra (Operational Semantics) Given a query, how to mix and match the relational algebra operators to answer it Used for query optimization

691 views • 55 slides

SQL: The Query Language Part 1

SQL: The Query Language Part 1. R &G - Chapter 5. The important thing is not to stop questioning. Albert Einstein. Review. Relational Algebra (Operational Semantics) Given a query, how to mix and match the relational algebra operators to answer it Used for query optimization

664 views • 55 slides

Relational Calculus

Relational Calculus. Chapter 4, Part B. Relational Calculus. Comes in two flavors: Tuple relational calculus (TRC) and Domain relational calculus (DRC) . Calculus has variables, constants, comparison ops , logical connectives and quantifiers .

581 views • 23 slides

Schema BankWorld Customer( C_Name , C_Street, C_City) Depositor( Account_# , C_Name)

132 views • 4 slides