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What is a repository for definitions of data processes data flows data stores and data elements.?
A data dictionary is a repository that contains definitions of data processes, data flows, data stores, and data elements used in an organization. It helps to provide a common understanding of data terminologies and structures within a dataset or system. Data dictionaries are often used to maintain consistency and clarity in data management and analysis processes.
Where the data dictionary used in software engineering?
example of data dictionary
What is the purpose of a data dictionary?
A data dictionary provides a comprehensive list of data elements with detailed descriptions, including their meaning, relationships, and structure. It serves as a reference guide to ensure consistency, accuracy, and understanding of data across an organization. It helps in data management, data integration, and data governance practices.
What is data dictionary what are the contents of it and for what is used?
Data dictionary it contains the names and description of the dictionary tables and views.
What is the difference between active and passive data dictionary?
The integrated data dictionary is called active if it is checked by DBMS every time a data base is accessed. It is always consistent with actual data base structure. It is automatically maintained by the system.The integrated data dictionary is called passive if it is not used in day to day database processing.
Explain the concept of privileges and its significance in unix?
Privileges, in regards to computer science terms, are permissions granted by a system to allow certain data or files to be accessed or used. In UNIX, all files and data are assigned a set of permissions by the system. The files or data can be read, modified, and executed depending on the set of permissions assigned to the user.
Which data structures used in T9 dictionary?
Tries, it is a kind of tree data structure that can be used.
A detailed description of all data used in the database IS CALLED?
A detailed description of all data used in the database is called a data dictionary. It centralizes information about the structure of the database, including data types, relationships, constraints, and metadata. This resource is crucial for understanding and managing the database effectively.
Which is the Data Structure used in dictionary mode in mobile t9?
tries? tries?
What is Data Dictionary in DBMS?
data dictionary- Used to store schema descriptions and other information such as design decisions, application program descriptions, user information, usage standards, etc. Active data dictionary is accessed by DBMS software and users/DBA. Passive data dictionary is accessed by users/DBA only.
Which two file are used during the operation of dbms?
data dictionary and transaction log
What type of permissions must be used for a folder on a FAT volume?
Share permissions
