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SQL(Structured Query Language) is the standard for relational databases. Many different database vendors support SQL: Oracle, Sybase, IBM DB2, MS SQL Server, MS ...
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Basic Structure. SQL is based on set and ... A view built on a single defining table is updatable if the view contains the primary key of the defining table ...
Access to database from a general purpose programming language required since: Not all queries can be expressed in SQL --e.g., recursive queries cannot be ...
Database is perceived as a set of tables; Query results are also tables. Main advantages: Simple; With solid math base. Relational model: Database structure ...
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Database – collection of persistent data; Database Management System (DBMS) – software system that supports creation, population, and querying of a database.
forms basis of new generation of Web applications (called Web 2.0 applications) offering rich user interfaces ... Current SQL standard does not allow fine ...
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