词汇 | data-dictionary |
释义 | data dictionary noun[ C ] ukus IT the part of a database that is used to store information about what is in the database, how it is organized, etc.: The SLS data dictionary provides information on the variables held in the SLS database. Examples of data dictionarydata dictionary Extensions to the datadictionary also can assist in query optimization against distributed databases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Which method is used may be determined by a referential integrity constraint defined in a datadictionary. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Database users and application developers can benefit from an authoritative datadictionary document that catalogs the organization, contents, and conventions of one or more databases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This can be a subset of the fields as defined in the datadictionary. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For all types of data objects it is possible to reference data objects that reside in the datadictionary of the backend system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An import datadictionary was set up to map fields to the required location. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The data structure diagram is a graphical alternative to the composition specifications within such datadictionary entries. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A datadictionary document also may include further information describing how data elements are encoded. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most database management systems keep the datadictionary hidden from users to prevent them from accidentally destroying its contents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In an active datadictionary constraints may be placed upon the underlying data. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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