Download Advanced SQL: 1999 - Understanding Object-Relational and by Jim Melton PDF
By Jim Melton
Complicated SQL:1999 - realizing Object-Relational and different complex gains is the practitioner's instruction manual to the standard's complicated positive factors. it isn't a re-presentation of the normal, yet particularly an authoritative, in-depth consultant to its useful software. Like its better half, SQL:1999 - knowing Relational Language elements, which defined the standard's simple gains, this ebook will help you make your functions either potent and standard-compliant.This convenient reference has a modular layout so that you can discover particular issues comfortably. it's both invaluable to these upgrading from past models of SQL and people without prior event. Written through the standard's unique editor, complicated SQL:1999 will whole your wisdom and help your abilities like no different ebook can. * Focuses totally at the matters that topic to programmers who're connecting purposes to databases.* info SQL:1999's item amenities, together with dependent user-defined forms, 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 information (SQL/MED), and Java support.* Covers the continued improvement of XML support.* comprises appendices that disguise the SQL:1999 annexes, a SQL:1999 instance utilizing UDTs, prestige codes, and invaluable details at the standardization technique.
Read or Download Advanced SQL: 1999 - Understanding Object-Relational and Other Advanced Features (The Morgan Kaufmann Series in Data Management Systems) PDF
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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)
No Yesmtightly bound to exactly one type Invocation syntax Functional notation Dot notation Schema of residence Any schema Schema of its associated type Routine resolution Fully resolved at compilation time Compilation resolves to set of candidate methods; final resolution at runtime eter declarations and invocations.
It might even be a representation of a business entity, such as an employee, a department, an invoice, or a movie. ) Before I launch into the technical details of SQL:1999's structured user-defined types, it may be interesting to look at a few areas of technology where objectoriented facilities are frequently used and consider the applicability of SQL's UDTs to those uses. One of the first ways in which many people encounter object technology is in the graphical user interface (GUI) of the Windows operating system or of the Apple operating system, or X Windows on Unix and other operating systems.
2 (including the use of c as a correlation name), you could write c. number u or perhaps c. cus t_add r . z i p_code, base or even c. cus t_addr . z i p_code, base () Invocation of one of those methods must be written using the dot notation that I showed you in the previous section (note, however, that an empty pair of parentheses are permitted--but not required--to indicate that the invocation has no arguments other than the implicit one). The data type of the value returned by the observer m e t h o d is the data type of the attribute, which of course is also the data type of the plain dot notation expression (without the parentheses that you might normally associate with functional notation).