Catalog Search Results
Author
Series
Publisher
O'Reilly Verlag
Pub. Date
2012
Physical Desc
1 online resource
Language
English
Description
Vermeiden Sie Missverständnisse, die Probleme für Design, Programmierung und Nutzung von Datenbanksystemen mit sich bringen können. Ob Sie nun mit Oracle, DB2, SQL Server, MySQL oder PostgreSQL arbeiten: Das Fachwörterbuch Relationale Datenbanken - kurz & gut verhindert Verwirrungen um die genaue Bedeutung von Fachbegriffen (wie z.B. Attribut, 3NF, Eins-zu-Viele-Entsprechung, Prädikat, Wiederholungsgruppe oder Join-Abhängigkeit) und hilft...
Author
Series
Publisher
Apress
Pub. Date
©2008
Edition
Extended ed.
Physical Desc
1 online resource (xi, 215 pages) : illustrations
Language
English
Description
"The Relational Database Dictionary is now better than ever. The new Extended Edition has more than 900 definitions, many with detailed examples and cross references. This is the sourcebook for the database professional or student of databases wishing to correctly understand the terminology. It features: over 300 new terms and numerous adaptations; concise, correct, unambiguous definitions with examples as appropriate; and C.J. Dates' unique attitude...
Author
Publisher
Apress
Pub. Date
[2019]
Edition
Second edition.
Physical Desc
1 online resource : illustrations
Language
English
Description
Create database designs that scale, meet business requirements, and inherently work toward keeping your data structured and usable in the face of changing business models and software systems. This book is about database design theory. Design theory is the scientific foundation for database design, just as the relational model is the scientific foundation for database technology in general. Databases lie at the heart of so much of what we do in the...
Author
Publisher
O'Reilly Media
Pub. Date
©2012
Physical Desc
1 online resource (1 volume) : illustrations
Language
English
Description
Views are virtual tables. That means they should be updatable, just as "real" or base tables are. In fact, view updatability isn't just desirable, it's crucial, for practical reasons as well as theoretical ones. But view updating has always been a controversial topic. Ever since the relational model first appeared, there has been widespread skepticism as to whether (in general) view updating is even possible. In stark contrast to this conventional...
Author
Publisher
O'Reilly Media
Pub. Date
[2016]
Physical Desc
1 online resource (1 volume) : illustrations
Language
English
Description
Type inheritance is that phenomenon according to which we can say, for example, that every square is also a rectangle, and so properties that apply to rectangles in general apply to squares in particular. In other words, squares are a subtype of rectangles, and rectangles are a supertype of squares. Recognizing and acting upon such subtype / supertype relationships provides numerous benefits: Certainly it can help in data modeling, and it can also...
Author
Publisher
O'Reilly Media
Pub. Date
2017.
Physical Desc
1 online resource (1 streaming video file (12 hr., 14 min., 34 sec.)) : digital, sound, color
Language
English
Description
"Designed for data and database professionals, the course examines single and multiple inheritance; scalar, tuple, and relation inheritance; type lattices and union and intersection types; polymorphism and substitutability; compile time and run time binding; and a detailed discussion and analysis of inheritance as supported in the SQL standard. "--Resource description page.
Author
Publisher
O'Reilly Media
Pub. Date
2013
Physical Desc
1 online resource (1 streaming video file (9 hr., 57 min., 30 sec.))
Language
English
Description
"All of today's mainstream database products support the SQL language, and relational theory is what SQL is supposed to be based on. But are those products truly relational? Sadly, the answer is no. In this video, Chris Date shows you what a real relational product would be like, and how and why it would be so much better than what's currently available."--Resource description page.
Author
Publisher
O'Reilly Media
Pub. Date
2013
Physical Desc
1 online resource (1 streaming video file (8 hr., 50 min., 1 sec.))
Language
English
Description
"The plummeting cost of storage and the widespread adoption of data warehouse technology have led to an increasing interest in temporal databases. As a consequence, the ability to deal properly with the time dimension in databases has become an increasingly important practical problem. This video seminar describes and explains the theoretical ideal behind temporal databases in depth, and why it's 100% consistent with the classical relational model."--Resource...
Author
Publisher
O'Reilly Media
Pub. Date
2015.
Physical Desc
1 online resource (1 streaming video file (12 hr., 14 min., 6 sec.))
Language
English
Description
"This Master Class video describes and explains that theoretical ideal- which, interestingly, is 100 percent consistent with the classical relational model-in depth. It also discusses, in depth, the new temporal support to be found in the SQL standard. This video includes five major parts: A review of relational concepts, laying the foundations, building on the foundations, and SQL support."--Resource description page.
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