SERIALIZATION AND RELATIONAL DATABASES

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NoSQL data models
VietTrung Tran
is.hust.edu.vn~trungtv
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Eras of Databases
•  Why NoSQL?
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Before NoSQL
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RDBMS onesizefitsallneeds
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ICDE 2005 conference
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The last 25 years of commercial DBMS development can be summed up in a single phrase:
one size fits all[r]

... and skyline queries, thus providing a clear idea of topband queries 2.1 Similarity Queries in Time Series Data Research in time series data has been concentrated on answering similarity queries. .. change in their rankings at these time points A time series intersects with other time series betw[r]

A NoSQL or Not Only SQL database provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. Motivations for this approach include simplicity of design, horizontal scaling and finer control over availability. The data[r]

The growing fields of distributed and cloud computing are rapidly evolving to
analyze and process this data. An incredible rate of technological change has turned
commonly accepted ideas about how to approach data challenges upside down, forcing
companies interested in keeping pace to evaluate a dau[r]

1 The geodatabase supports a model of topologically integrated feature
classes, similar to the coverage model. It also extends the coverage model
with support for complex networks, relationships among feature classes,
and other objectoriented features. The ESRI
® ArcGIS™ applications
(ArcMap™, ArcCa[r]

each relation schema R in S cannot have nullvalues in any tuple of r(R) because primary keyvalues are used to identify the individual tuples:t[PK] ¹ null for any tuple t in r(R)• Note: Other attributes of R may be similarlyconstrained to disallow null values, even thoughthey are not members of the p[r]

Chapter 13 Database design. This chapter teaches the design and construction of physical databases.
Chapter 13 Database design. This chapter teaches the design and construction of physical databases.Chapter 13 Database design. This chapter teaches the design and construction of physical databases[r]

There is growing free datasets prepared for hydrologic and water resources modelling worldwide. Already prepared datasets that can be easily imported into our MODELS
Datasets can reduce the time spend – SEARCHING, FRUSTRATION of getting the right data the psychological pressure on NOT meeting resea[r]

Bài giảng Cơ sở dữ liệu nâng cao Chapter 1 Creating databases and database files. Nội dung chính trong chương này gồm có Introduction to database, creating database, managing database, maintainance to database. Mời các bạn cùng tham khảo.