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Posponed a little "Changing database managers" callout box #108

rgaiacs opened this Issue Jul 26, 2015 · 1 comment


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rgaiacs commented Jul 26, 2015

At, what about

(...) The database manager does whatever lookups and calculations the query specifies, returning the results in a tabular form that we can then use as a starting point for further queries.

Queries are written in a language called SQL, which stands for “Structured Query Language”. SQL provides hundreds of different ways to analyze and recombine data. We will only look at a handful of queries, but that handful accounts for most of what scientists do.

Changing database managers

Every database manager — Oracle, IBM DB2, PostgreSQL, MySQL, Microsoft Access, and SQLite — understand SQL but stores data in a different way, so a database created with one cannot be used directly by another. However, every database manager can import and export data in a variety of formats (including SQL), so it is possible to move information from one to another.

The tables below show the database we will use in our examples:


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gvwilson commented Jul 31, 2016

@rgaiacs still relevant?

rgaiacs pushed a commit to rgaiacs/swc-sql-novice-survey that referenced this issue Mar 13, 2017

Raniere Silva
Merge pull request swcarpentry#108 from r-gaia-cs/fix-license-hash
Update md5sum on tools/check based on 2f4703e

rgaiacs pushed a commit to rgaiacs/swc-sql-novice-survey that referenced this issue Mar 13, 2017

Merge pull request swcarpentry#108 from gvwilson/library-carpentry
Starting to incorporate Library Carpentry materials
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