These SQL relational databases offer both horizontal scalability and support for ACID transactions—some on a global scale ...

Modern relational databases need to handle multiple transactions simultaneously (via a process known as Online Transaction Processing – OLTP).

ACID, though, doesn't matter much when you're just reading data for analysis. And the database locks that SQL databases use to protect database consistency in transactions can get in the way.

The introduction of increased transactional capability into non-relational databases makes sense-in the same way that providing SQL layers on top of Hadoop and many other non-relational stores makes ...

SQL databases are limited to a single machine but provide strong transactions, schemas, and querying; NoSQL databases abandon transactions and schemas in order to provide scale and fault tolerance.

Using the Transact SQL ALTER DATABASE statement to shrink the transaction log file Open SQL Server Management Studio (SSMS) and click Query Analyzer to open the Query Analyzer window.

Nearly all of today's big data database offer limited support of SQL. ACID Transactions ACID is an acronym made up of the words atomicity, consistency, isolation and durability. Atomicity means ...

Via a 7.0 upgrade, Couchbase is adding support for multi-statement SQL transactions to reduce database costs.