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A database catalog of a database instance consists of metadata in which definitions of database objects such as base tables, views (virtual tables), synonyms, value ranges, indexes, users, and user groups are stored. [1] [2] It is an architecture product that documents the database's content and data quality. [3]
Microsoft SQL Server Master Data Services (MDS) is a Master Data Management (MDM) product from Microsoft that ships as a part of the Microsoft SQL Server relational database management system. [1] Master data management (MDM) allows an organization to discover and define non-transactional lists of data, and compile maintainable, reliable master ...
In relational databases, the information schema (information_schema) is an ANSI-standard set of read-only views that provide information about all of the tables, views, columns, and procedures in a database. [1] It can be used as a source of the information that some databases make available through non-standard commands, such as:
The Repository was renamed Meta Data Services with the release of SQL Server 2000. Support for Meta Data Services was withdrawn from support with the release of SQL Server 2005. [3] A number of Microsoft technologies used Meta Data Services as a native store for object definitions or as a platform for deploying metadata.
Metadata conflicts e.g. same concepts are represented at schema level and instance level. Data conflicts e.g. missing attributes; Schema conflicts e.g. table versus table conflict which includes naming conflicts, data conflicts etc. In creating a federated schema, one has to resolve such heterogeneities before integrating the component DB schemas.
The metadata is managed by the metadata storage service which uses an in-process SQL Server Compact database to store the metadata on a per-provider basis. The Sync Services API operates by creating a synchronization session, represented by a Session object. A synchronization session synchronizes data across two synchronization providers - one ...
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).
In a relational database, the schema defines the tables, fields, relationships, views, indexes, packages, procedures, functions, queues, triggers, types, sequences, materialized views, synonyms, database links, directories, XML schemas, and other elements. A database generally stores its schema in a data dictionary. Although a schema is defined ...