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Explain the Relational Completeness Codd described the term relational completeness to consider to a language that is complete with respect to first-order predicate calculus ex
How to draw an ER diagram to a finance companz
Creating views with check option : This option limits those updates of data values that cause records to go off the view. The following instance tells this in more detail: Examp
why are older data base model are being replaced by new data model
what is un ordered and ordered file managment?
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
In this programming assignment, you will develop a simple database of student records. Here are the requirements: 1) A student record contains a name and a number. We assume tha
explain five responsibilities of DBA?
What is called a query -execution engine? The query implementation engine takes a query evaluation plan, implements that plan, and returns the answers to the query.
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
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