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- LATER advantages and disadvantages of distributed databases - LATER advantages and disadvantages of distributed databases
- DONE XML - DONE XML
- LATER XML definition and basic concepts #flashcard - LATER XML definition and basic concepts #flashcard
id:: 648974ba-afab-457e-9633-488450e9e16f
- eXtensible Markup Language - eXtensible Markup Language
- A meta-language (i.e. a language for describing other languages) that - A meta-language (i.e. a language for describing other languages) that
enables designers to create their own customised tags to provide enables designers to create their own customised tags to provide
functionality not available with HTML. functionality not available with HTML.
- LATER Relational model versus XML #flashcard - LATER Relational model versus XML #flashcard
id:: 648974ba-d417-4eef-be28-46cd5894c5c7
- SQL - SQL
- is a special-purpose programming language - is a special-purpose programming language
- You can: manage data in a relational databases. - You can: manage data in a relational databases.
@ -1145,6 +1147,7 @@
- You can: design ways of describing information (text or data), usually for storage, transmission, or processing by a program (you can use it in combination with a programming language). - You can: design ways of describing information (text or data), usually for storage, transmission, or processing by a program (you can use it in combination with a programming language).
- It says nothing about what you should do with the data (although your choice of element names may hint at what they are for). - It says nothing about what you should do with the data (although your choice of element names may hint at what they are for).
- LATER Well-formed XML, Valid XML #flashcard - LATER Well-formed XML, Valid XML #flashcard
id:: 648974ba-fb70-4207-8010-a8ddda35ccf7
- Adheres to basic structural requirements - Single root element - Adheres to basic structural requirements - Single root element
- Matched tags, proper nesting - Matched tags, proper nesting
- Unique attributes within elements - Unique attributes within elements
@ -1155,40 +1158,50 @@
- LATER Practice reading and writing XML, XSD - LATER Practice reading and writing XML, XSD
- DONE Data Mining - DONE Data Mining
- concept #flashcard - concept #flashcard
id:: 648974ba-bf4c-4046-b7ce-510596ad421a
- The process of extracting valid, previously unknown, comprehensible, - The process of extracting valid, previously unknown, comprehensible,
and actionable information from large databases and using it to make and actionable information from large databases and using it to make
crucial business decisions. crucial business decisions.
- different applications #flashcard - different applications #flashcard
id:: 648974ba-7440-4ac2-8730-b33e9f50570c
- Retail / Marketing - Retail / Marketing
- Banking - Banking
- Insurance - Insurance
- Medicine - Medicine
- basic techniques - basic techniques
- predictive modelling, #flashcard - predictive modelling, #flashcard
id:: 648974ba-a007-420c-87db-1a029c1a39e6
- uses observations to form a model of the important characteristics of some - uses observations to form a model of the important characteristics of some
phenomenon phenomenon
- database segmentation, #flashcard - database segmentation, #flashcard
id:: 648974ba-18a0-474e-96de-6a824969d0ec
- Uses unsupervised learning to discover homogeneous subpopulations in a database to improve the accuracy of the profiles. - Uses unsupervised learning to discover homogeneous subpopulations in a database to improve the accuracy of the profiles.
- link analysis, #flashcard - link analysis, #flashcard
id:: 648974ba-0868-469f-9b8f-94a44163c87f
- Establishing links, called associations, between the individual - Establishing links, called associations, between the individual
records, or sets of records, in a database. records, or sets of records, in a database.
- deviation detection. #flashcard - deviation detection. #flashcard
id:: 648974ba-a77e-47ba-9f0d-6ed14e880333
- Identifies outliers, which express deviation from some previously - Identifies outliers, which express deviation from some previously
known expectation and norm. known expectation and norm.
- DONE NoSQL - DONE NoSQL
- the motivation for NoSQL #flashcard - the motivation for NoSQL #flashcard
id:: 648974ba-91af-424f-b392-928e947740de
- By giving up ACID constraints, one can achieve - By giving up ACID constraints, one can achieve
much higher performance and scalability. much higher performance and scalability.
- explain the concepts of NoSQL #flashcard - explain the concepts of NoSQL #flashcard
id:: 648974ba-370b-44a8-9474-5b58d1d0dd28
- NoSQL databases (aka "not only SQL") are non-tabular databases and store - NoSQL databases (aka "not only SQL") are non-tabular databases and store
data differently than relational tables. NoSQL databases come in a data differently than relational tables. NoSQL databases come in a
variety of types based on their data model. The main types are document, variety of types based on their data model. The main types are document,
key-value, wide-column, and graph. They provide flexible schemas and key-value, wide-column, and graph. They provide flexible schemas and
scale easily with large amounts of data and high user loads. scale easily with large amounts of data and high user loads.
- explain the application areas of NoSQL #flashcard - explain the application areas of NoSQL #flashcard
id:: 648974ba-b39b-47b7-8b9f-ca9250bef8ba
- NoSQL is an alternative, non-traditional DB technology to be - NoSQL is an alternative, non-traditional DB technology to be
used in large scale environments where (ACID) transactions are not a priority. used in large scale environments where (ACID) transactions are not a priority.
- CAP theorem: #flashcard - CAP theorem: #flashcard
id:: 648974ba-910d-42ae-89a9-5017194f6827
- There are 3 main properties for distributed management: - There are 3 main properties for distributed management:
1. Consistency → A data item has the same value at the same time (to 1. Consistency → A data item has the same value at the same time (to
ensure coherency). ensure coherency).