From 348b9fd8d9cebb3dfd8d0e5d91532cac779813ce Mon Sep 17 00:00:00 2001 From: Celine Mercier Date: Fri, 13 Dec 2019 11:30:31 +0100 Subject: [PATCH] mercier created page: The OBITools3 data structure --- The-OBITools3-data-structure.md | 5 +++++ 1 file changed, 5 insertions(+) create mode 100644 The-OBITools3-data-structure.md diff --git a/The-OBITools3-data-structure.md b/The-OBITools3-data-structure.md new file mode 100644 index 0000000..ed97a43 --- /dev/null +++ b/The-OBITools3-data-structure.md @@ -0,0 +1,5 @@ +The OBITools3 rely on an ad hoc database system, inside which all the data that a DNA metabarcoding experiment must consider is stored: the sequences, the metadata (describing for instance the samples), the database containing the reference sequences used for the taxonomic annotation, as well as the taxonomic databases. + +DNA metabarcoding data can easily be represented in the form of tables, and each command can be regarded as an operation transforming one or several 'input' tables into one or several 'output' tables, which can be used by the next command. + +The new database system used by the OBITools3 (called **DMS** for Data Management System) relies on **column**-oriented storage. Each column contains a data element, and several columns can be assembled in **views** representing the data tables (equivalent to a fasta file). \ No newline at end of file