snapshot isolation level

См. также в других словарях:

• Snapshot isolation — In databases, snapshot isolation is a isolation mode into Microsoft SQL Server 2005. It is similar to Multiversion concurrency control (MVCC). It guarantees that all reads made in a transaction will see a consistent snapshot of the database, and… …   Wikipedia

• Isolation (database systems) — In database systems, isolation is a property that defines how/when the changes made by one operation become visible to other concurrent operations. Isolation is one of the ACID (Atomicity, Consistency, Isolation, Durability) properties.Isolation… …   Wikipedia

• Snapshot (computer storage) — In computer systems, a snapshot is the state of a system at a particular point in time. The term was coined as an analogy to that in photography. It can refer to an actual copy of the state of a system or to a capability provided by certain… …   Wikipedia

• Commitment ordering — In concurrency control of databases, transaction processing (transaction management), and related applications, Commitment ordering (or Commit ordering; CO; (Raz 1990, 1992, 1994, 2009)) is a class of interoperable Serializability techniques …   Wikipedia

• Serializability — In concurrency control of databases,[1][2] transaction processing (transaction management), and various transactional applications (e.g., transactional memory[3] and software transactional memory), both centralized and distributed, a transaction… …   Wikipedia

• InterBase — Infobox Software name = InterBase caption = InterBase s performance monitor allows database administrators to view and control server use. developer = CodeGear latest release version = 2009 latest release date = 08 September, 2008 operating… …   Wikipedia

• Multiversion concurrency control — (abbreviated MCC or MVCC), in the database field of computer science, is a concurrency control method commonly used by database management systems to provide concurrent access to the database and in programming languages to implement… …   Wikipedia

• PostgreSQL — Developer(s) PostgreSQL Global Development Group Stable release 9.1.1[1] / 9.0.5 …   Wikipedia

• Concurrency control — In information technology and computer science, especially in the fields of computer programming (see also concurrent programming, parallel programming), operating systems (see also parallel computing), multiprocessors, and databases, concurrency …   Wikipedia

• ACID — For other uses, see Acid (disambiguation). In computer science, ACID (atomicity, consistency, isolation, durability) is a set of properties that guarantee database transactions are processed reliably. In the context of databases, a single logical …   Wikipedia

• Extensible Storage Engine — For JET Red storage engine of Microsoft Access, see Microsoft Jet Database Engine. For the teacher s term, Exceptional education. Extensible Storage Engine (ESE), also known as JET Blue, is an Indexed Sequential Access Method (ISAM) data storage… …   Wikipedia