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What is known as sequential file organization? In the sequential file organization, the records are kept in sequential order, according to the value of a "search key" of every
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
What is Relational Algebra? Relational algebra is a Procedural query Language?
What is the use of rename operation? Rename operation is used to rename both relations and an attributes. It uses the as clause, taking the form: Old-name as new-name.
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
Design a gennalization and specialization hierarchy for an automobile sales company
What is a Name? A user-supplied name is used for identity. This form of identity is used for files in file systems. The user gives every file a name that uniquely identifies it
The ER diagram clearly showing the additional tables you have implemented. SQL table creation scripts for the tables you have set up. SQL scripts showing the sample data you
Primary Key The primary key is the candidate key that is selected by the database designer as the principal denotes of identifying entities within an entity set. The left candi
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
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