We calculate all of our gravel and sand by the tonnage formula: Length (FT) x Width (FT) x Depth (IN), Divide by 200, Multiply by 1.103 = Metric Tonnes. Divide your Metric Tonnes by 1.3 (approximate weight per yard) to get your final yardage.
HBase is an open-source, distributed, column-oriented store modeled after Google's Bigtable. Just as Bigtable leverages the distributed data storage provided by the Google File System, HBase provides Bigtable-like capabilities on top of Hadoop. It... (more)
HSQLDB (Hyper SQL Database) is a relational database management system written in Java. It has a JDBC driver and supports a large subset of SQL-92 and SQL:2008 standards.It offers a fast, small (around 1300 kilobytes in version 2.2) database engine which offers both in-memory and disk-based tables. Both embedded and server modes are available for purchase.t has a JDBC driver and supports a large subset of SQL-92 and SQL:2008 standards. It offers a fast, small (around 1300 kilobytes in version 2.2) database engine which offers both in-memory and disk-based tables.