金皇朝|2

                              Analytic glossary

                              Draft definitions of various industry terms, which taken together form an analytic glossary.

                              October 12, 2012

                              (Relational) database (management system) — three analytic glossary draft entries

                              These are three closely-related draft entries for the DBMS2 analytic glossary. Please comment with any ideas you have for their improvement!

                              1. Database management system (DBMS)

                              In our definition, a database management system (DBMS) is:

                              Commonly, that API takes the form of a data manipulation language (DML) such as SQL or MDX, but our definition allows for APIs as simple as those of key-value stores.

                              There are two major alternatives to our definition:

                              1. The above could be a definition of “data management software”, with the term “DBMS” reserved for systems with a true DML.
                              2. Many vendors and industry observers abbreviate “database management system” or “data management software” as “database”.

                              Two important distinctions among categories of DBMS and the processing they’re optimized for are:

                              2. Database

                              The term database has two common meanings in IT: Read more

                              August 20, 2012

                              In-memory, (hybrid) memory-centric DBMS — three analytic glossary draft entries

                              These are three closely-related draft entries for the DBMS2 analytic glossary. Please comment with any ideas you have for their improvement!

                              1. We coined the term memory-centric data management to comprise several kinds of technology that manage data in RAM (Random Access Memory), including:

                              Related link

                              2. An in-memory DBMS is a DBMS designed under the assumption that substantially all database operations will be performed in RAM (Random Access Memory). Thus, in-memory DBMS form a subcategory of memory-centric data management systems.

                              Ways in which in-memory DBMS are commonly different from those that query and update persistent storage include: Read more

                              August 19, 2012

                              In-database analytics — analytic glossary draft entry

                              This is a draft entry for the DBMS2 analytic glossary. Please comment with any ideas you have for its improvement!

                              Note: Words and phrases in italics will be linked to other entries when the glossary is complete.

                              “In-database analytics” is a catch-all term for analytic capabilities, beyond standard SQL, running on the same machine as and under the management of an analytic DBMS. These can run in one or both of two modes:

                              In-database analytics may offer great performance and scalability advantages versus the alternative of extracting data and having it be processed on a separate server. This is particularly likely to be the case in MPP (Massively Parallel Processing) analytic DBMS environments.

                              Examples of in-database analytics include:

                              Other common domains for in-database analytics include sessionization, time series analysis, and relationship analytics.

                              Notable products offering in-database analytics include:

                              August 19, 2012

                              Analytic platform — analytic glossary draft entry

                              This is a draft entry for the DBMS2 analytic glossary. Please comment with any ideas you have for its improvement!

                              Note: Words and phrases in italics will be linked to other entries when the glossary is complete.

                              In our usage, an “analytic platform” is an analytic DBMS with well-integrated in-database analytics, or a data warehouse appliance that includes one. The term is also sometimes used to refer to:

                              To varying extents, most major vendors of analytic DBMS or data warehouse appliances have extended their products into analytic platforms; see, for example, our original coverage of analytic platform versions of as Aster, Netezza, or Vertica.

                              Related posts

                              August 19, 2012

                              Data warehouse appliance — analytic glossary draft entry

                              This is a draft entry for the DBMS2 analytic glossary. Please comment with any ideas you have for its improvement!

                              Note: Words and phrases in italics will be linked to other entries when the glossary is complete.

                              A data warehouse appliance is a combination of hardware and software that includes an analytic DBMS (DataBase Management System). However, some observers incorrectly apply the term “data warehouse appliance” to any analytic DBMS.

                              The paradigmatic vendors of data warehouse appliances are:

                              Further, vendors of analytic DBMS commonly offer — directly or through partnerships — optional data warehouse appliance configurations; examples include:

                              Oracle Exadata is sometimes regarded as a data warehouse appliance as well, despite not being solely focused on analytic use cases.

                              Data warehouse appliances inherit marketing claims from the category of analytic DBMS, such as: Read more

                              August 19, 2012

                              DBMS2 analytic glossary — a new project

                              Enterprise software terminology is too often mired in confusion. I hope to lessen that by publishing a series of web pages that define and describe various industry terms, with one or several paragraphs per subject, and plenty of internal and external links.

                              Absent a better name, I’ll refer to this as an “analytic glossary”. I want users of the analytic glossary to learn or confirm:

                              I will do or closely direct the core writing myself. I may hire outside help for ancillary tasks, such as adding links, or for various kinds of wordsmithing.

                              All this presupposes a site redesign, which hasn’t begun. But I’ve started to draft the content. As I do, I’ll post it here. And I very much want you to comment.

                              If you think I got something wrong?or left anything out — even if it’s just a nuance — please speak up! Later, when the glossary pages are live, I’ll? link them back to the original blog post discussions. Thus, your comments will be part of the permanent glossary record. Read more

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