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The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
Which types of data supported by MySQL for Time and Date formats? MySQL supports a number of time and date column formats: Some of them are 1) DATE 2) DATETIME 3) TIM
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
Describe the benefits of OOD techniques OOD techniques are very useful for development of large and complex systems. It has been noted that large projects that are developed u
explain in detail about crash recovery
Can you help me with the following: Drop statements for all objects in the lab project. Create statements for all objects of the lab project Create indexes for foreign keys Cre
Which data type can store unstructured data? Raw data type can store unstructured data.
A well-maintained relational DBMS has a high level of data integrity. What features of a relational DBMS contribute towards this level of integrity? Relational DBMS gives high
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