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What are the two approaches to store relations in distributed database?
a) Replication
b) Fragmentation
What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
Question: (a) With the help of a diagram, explain the TOGAF framework for enterprise architectures. (b) Where would you position enterprise architectures in an enterpri
Databases and data warehouses both are databases and both contains number of rows and columns of tables containing data. Data warehouse is really different from databases because d
What is Foreign Key Foreign Key: Sometimes we may have to work with an attribute that does not have a primary key of its own. To recognize its rows, we have to use the primar
give some example real-life situations where DBMS are most suiitabe
what is inverted and multilist structure
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
What is the function of a Domain? A domain defines the technical settings of a table field. A domain describes a value range, which sets the permissible data values for the
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
what is attribute is attribute inheritance in dbms?
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