By Jim Melton
complex SQL:1999 - realizing Object-Relational and different complex positive aspects is the practitioner's guide to the standard's complex good points. it isn't a re-presentation of the traditional, yet quite an authoritative, in-depth consultant to its sensible software. Like its better half, SQL:1999 - knowing Relational Language elements , which defined the standard's simple positive aspects, this ebook will provide help to make your purposes either powerful and standard-compliant.
this useful reference has a modular layout so that you can discover particular themes comfortably. it's both helpful to these upgrading from past models of SQL and people with out earlier adventure. Written by way of the standard's amazing editor, complicated SQL:1999 will whole your wisdom and aid your talents like no different publication can. * Focuses completely at the concerns that topic to programmers who're connecting functions to databases. * info SQL:1999's item amenities, together with based user-defined kinds, typed tables, user-defined workouts, and regimen invocation. * Examines amenities new to SQL, together with these when it comes to online analytical processing (OLAP), administration of exterior info (SQL/MED), and Java aid. * Covers the continued improvement of XML help. * comprises appendices that conceal the SQL:1999 annexes, a SQL:1999 instance utilizing UDTs, prestige codes, and priceless details at the standardization method.
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Extra info for Advanced SQL:1999: Understanding Object-Relational and Other Advanced Features (The Morgan Kaufmann Series in Data Management Systems)
Similarly, DVDs of Shrek are likely to have extra features, such as additional languages, Dolby Digital and/or DTS sound, and so on. Therefore, an instance of "Movie available on VHS" has all of the characteristics of the "Movie" recorded on the VHS tape, and has additional characteristics as well. An instance of "Movie available on DVD" m a y not have all of the characteristics of an instance of "Movie available on VHS," but it certainly has all of the characteristics of the "Movie" itself, as well as its own additional characteristics.
SQL:1999 adds a third sort of routine to the mix: methods. Before we get into the details of methods, let's briefly review the broader subject of routines. ) SQL-invoked routines can be written in SQL, in which case they are called SQL routines. They can also be written in any of several other programming languages, and are then called external routines. The SQL standard specifies eight other languages in which SQL-invoked routines can be written--Ada, C, COBOL, Fortran, M (formerly known as MUMPS), Pascal, PL/I, and more recently Java.
9 An introduction to SQL:1999's structured user-defined types at a very high level, giving a preview of the material that will be covered in significantly more detail in other chapters. 9 A review of the features that an SQL implementation must provide in order to claim conformance to object-oriented SQL. 9 A survey of the support that you will find in SQL products that are actually on the market. User-Defined Types In this chapter, I'll tell you about user-defined types in general and about SQL's approach to them.
Advanced SQL:1999: Understanding Object-Relational and Other Advanced Features (The Morgan Kaufmann Series in Data Management Systems) by Jim Melton