'Manipulation details' presentation slideshows

Relational Algebra (end) SQL Queries

Relational Algebra (end) SQL Queries. Lecture #9. Expression Trees. Leaves are operands --- either variables standing for relations or particular, constant relations. Interior nodes are operators, applied to their child or children. Example.

1.06k views • 78 slides

Introduction to SQL

849 views • 72 slides

COP4710 Database Systems

COP4710 Database Systems. SQL - Basics. Fall 2013. Introduction. Standard language for querying and manipulating data SQL stands for S tructured Q uery L anguage

605 views • 46 slides

Introduction to SQL

Database Systems. Introduction to SQL. Why SQL?. SQL is a very-high-level language, in which the programmer is able to avoid specifying a lot of data-manipulation details that would be necessary in other languages.

576 views • 44 slides