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Describe Data Manipulation language ?
Data Manipulation Language (DML) - A data manipulation language is a language which enables users to access or manipulate data as organized thorugh the appropriate data model.
Differentiate strict two phase locking protocol and rigorous two phase locking protocol. In strict two phase locking protocol all exclusive mode locks taken by a transaction is
explain five responsibilities of DBA?
How do I use strap on?#
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.
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
how to write a in a text and load it on mysql
er diagtram for icici
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Failures and Recovery In practice various things might occur to prevent a transaction from completing. Recovery methods are used to bring database, which does not satisfy consi
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