SQLite database

Relational database format encoded as a cross-platform file, operated on using the SQLite code libraries called from common programming languages or through the sqlite3 command-line utility.

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Record quality tables for the Mineral Resources Data System

Measures of quality for each of 304,643 records in the Mineral Resources Data System (MRDS) database. This analysis is intended to separate records that describe those resources well and are trustworthy from those that lack fundamental information or cannot be verified easily. Data are provided in tab-delimited text, Microsoft Excel, and SQLite. PHP code used to carry out the analysis is included for reference.