libwiredtiger0 - 3.1.0+ds-1 main

Supports row-oriented storage (where all columns of a row are stored
together), column-oriented storage (where columns are stored in groups,
allowing for more efficient access and storage of column subsets) and
log-structured merge trees (LSM), for sustained throughput under random
insert workloads.
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Includes ACID transactions with standard isolation levels and durability at
both checkpoint and fine-grained granularity.
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Can be used as a simple key/value store, but also has a complete schema
layer, including indices and projections.