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Pros and cons efficient for exact matches on key field; not suitable for range retrieval, which requires sequential storage; calculates where the record is stored based on fields in the record; hash functions ensure even spread of data; collisions are possible, so collision detection and restoration is required
Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft.As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the Internet).
Note (1): Server provides tempdb, which can be used for public and private (for the session) temp tables. [ 84 ] Note (2): Materialized views are not supported in Informix; the term is used in IBM's documentation to refer to a temporary table created to run the view's query when it is too complex, but one cannot for example define the way it is ...
Browse table: Yes - can browse table definition and data; Some - can only browse table definition; Multi-server support: Yes - can manage from the same window/session multiple servers; Some - can manage from a different window/session multiple servers; Monitoring server: Yes - includes a headless server, that runs checks and reports failures
A distributed SQL database is a single relational database which replicates data across multiple servers. Distributed SQL databases are strongly consistent and most support consistency across racks, data centers, and wide area networks including cloud availability zones and cloud geographic zones.
The OS 2200 database managers are all part of the Universal Data System (UDS). UDS provides a common control structure for multiple different data models. Flat files (sequential, multi-keyed indexed sequential, MSAM, and fixed-block), [1] network, [2] and relational [3] data models all share a common locking, recovery, and clustering mechanism.
SQL Server 2014 SP1, consisting primarily of bugfixes, was released on May 15, 2015. [58] SQL Server 2014 is the last version available for x86/IA-32 systems [59] and the final version supported on Windows Server 2008 R2. [60] SQL Server 2014 had mainstream support until July 9, 2019, and extended support until July 9, 2024. [61]
Microsoft SQL Server Data Engine (MSDE, also Microsoft Data Engine or Microsoft Desktop Engine) is a relational database management system developed by Microsoft. It is a scaled-down version of Microsoft SQL Server 7.0 or 2000 which is free for non-commercial use as well as certain limited commercial use.