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  2. SingleStore - Wikipedia

    en.wikipedia.org/wiki/SingleStore

    SingleStore can store data in either row-oriented tables ("rowstores") or column-oriented tables ("columnstores"). The format used is determined by the user when creating the table. [29] Rowstore tables, as the name implies, store information in row format, which is the traditional data format used by RDBMS systems.

  3. Schema migration - Wikipedia

    en.wikipedia.org/wiki/Schema_migration

    Most schema migration tools aim to minimize the impact of schema changes on any existing data in the database. Despite this, preservation of data in general is not guaranteed because schema changes such as the deletion of a database column can destroy data (i.e. all values stored under that column for all rows in that table are deleted ...

  4. Conflict-free replicated data type - Wikipedia

    en.wikipedia.org/wiki/Conflict-free_replicated...

    State-based CRDTs (also called convergent replicated data types, or CvRDTs) are defined by two types, a type for local states and a type for actions on the state, together with three functions: A function to produce an initial state, a merge function of states, and a function to apply an action to update a state. State-based CRDTs simply send ...

  5. BSON - Wikipedia

    en.wikipedia.org/wiki/BSON

    BSON (/ ˈ b iː s ə n / [2]) is a computer data interchange format. The name "BSON" is based on the term JSON and stands for "Binary JSON". [2] It is a binary form for representing simple or complex data structures including associative arrays (also known as name-value pairs), integer indexed arrays, and a suite of fundamental scalar types.

  6. Data migration - Wikipedia

    en.wikipedia.org/wiki/Data_migration

    Additionally, the validation of migrated data for completeness and the decommissioning of legacy data storage are considered part of the entire data migration process. [ 1 ] [ 2 ] Data migration is a key consideration for any system implementation, upgrade, or consolidation, and it is typically performed in such a way as to be as automated as ...

  7. WiredTiger - Wikipedia

    en.wikipedia.org/wiki/WiredTiger

    WiredTiger is a NoSQL, open source extensible platform for data management. It is released under version 2 or 3 of the GNU General Public License . WiredTiger uses multiversion concurrency control (MVCC) architecture.

  8. Data orientation - Wikipedia

    en.wikipedia.org/wiki/Data_orientation

    Data orientation is the representation of tabular data in a linear memory model such as in-disk or in-memory. The two most common representations are column-oriented (columnar format) and row-oriented (row format). [1] [2] The choice of data orientation is a trade-off and an architectural decision in databases, query engines, and numerical ...

  9. Wide-column store - Wikipedia

    en.wikipedia.org/wiki/Wide-column_store

    A wide-column store (or extensible record store) is a type of NoSQL database. [1] It uses tables, rows, and columns, but unlike a relational database, the names and format of the columns can vary from row to row in the same table.