database key
61XML database — An XML database is a data persistence software system that allows data to be stored in XML format. This data can then be queried, exported and serialized into the desired format. Two major classes of XML database exist: XML enabled: these map all …
62Candidate key — In the relational model, a candidate key of a relvar (relation variable) is a set of attributes of that relvar such that # at all times it holds in the relation assigned to that variable that there are no two distinct tuples with the same values… …
63Distributed database management system — A distributed database management system ( DDBMS ) is a software system that permits the management of a distributed database and makes the distribution transparent to the users. A distributed database is a collection of multiple, logically… …
64Compound key — In database design, a compound key is a key that consists of 2 or more attributes that uniquely identify an entity occurrence. Each attribute that makes up the compound key is a simple key in its own right. This is often confused with a composite …
65Comparison of object-relational database management systems — The following Database Management Systems (DBMSs) have at least some object relational features. They vary widely in their completeness and the approaches taken. The following tables compare general and technical information for a number of… …
66Comparison of object database management systems — Features Information about what fundamental ODBMS features are implemented natively. Name Current Stable Version Language(s) SQL support Datatypes License Description Caché 2010.1.4 ObjectScript (dynamic language), Basic. Java/.NET object mapping …
67Partition (database) — A partition is a division of a logical database or its constituting elements into distinct independent parts. Database partitioning is normally done for manageability, performance or availability reasons.A popular and favourable application of… …
68Citrusleaf database — Citrusleaf Developer(s) Citrusleaf, Inc. Stable release 2.0.23 / September 1, 2010; 13 months ago (2010 09 01) Written in C …
69Internet Key Exchange — IPsec im TCP/IP‑Protokollstapel: Anwendung HTTP IMAP SMTP DNS … Transport TCP UDP …
70Internet Key Exchange Protocol — IPsec im TCP/IP‑Protokollstapel: Anwendung HTTP IMAP SMTP DNS … Transport TCP UDP …
