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4. Describe three ways to handle missing field values
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
how to implement hyrise in C plus plus
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
WHAT IS SQL
WHAT IS MEANT BY E-R MODEL
When is a transaction rolled back? Any changes that the aborted transaction made to the database must be uncompleted. While the changes caused by an aborted transaction have be
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
What is use of generating such tables? How can you create temporary tables? When you require a table only for a short time after that you want it to disappear automatically you
Design a gennalization and specialization hierarchy for an automobile sales company
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