tailieunhanh - Lecture Fundamentals of Database Systems - Chapter 8: SQL-99 - Schema Definition, Basic Constraints, and Queries

Chapter 8 describes more advanced features of the SQL language standard for relational databases. In this chapter present more complex features of SQL retrieval queries, such as nested queries, joined tables, outer joins, aggregate functions, and grouping. | Fundamentals of DATABASE SYSTEMS FOURTH E D I T I o N ELMASRI NAVATHE Chapter 8 SQL-99 Schema Definition Basic Constraints and Queries PEARSON Addison Wesley Copyright 2004 Pearson Education Inc. Data Definition Constraints and Schema Changes Used to CREATE DROP and ALTER the descriptions of the tables relations of a database Elmasri and Navathe Fundamentals of Database Systems Fourth Edition Copyright 2004 Ramez Elmasri and Shamkant Navathe Slide .

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