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Figure 1 | BMC Research Notes

Figure 1

From: CANGS DB: a stand-alone web-based database tool for processing, managing and analyzing 454 data in biodiversity studies

Figure 1

The CANGS DB database Entity Relationship Data Model (ERDM). There are two static tables (data_upload_summary and statistics) and seven dynamic tables (sample_info_ table_number, primer_barcode_info_ table_number, raw_454_data_ table_number, redundant_sequence_table_number, nonredundant_sequence_pooled_ table_number, nonredundant_sequence_sample_ table_number, nonredundant_pooled2sample_ table_number), CANGS DB creates these dynamic set of tables with each new data set. In this figure the primary key (PK) is given in red color, Foreign key (FK) is given in green color and Primary+Foreign key (PFK) is given in blue color.

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