In the early DBMSs,there was not a very close connection between the database and the computer programs that accessed it,so as a result the database definition was separate from the computer programs that accessed the database.
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Q1: In most commercial DBMSs,collections of entities are
Q2: SQL can be used to define tables
Q4: In transaction processing,inconsistency in the database is
Q5: A procedural language interface is necessary because
Q6: Second generation DBMS systems are referred to
Q7: Nonprocedural languages do not include looping statements
Q8: The external level of the Three Schema
Q9: Data is said to be persistent when
Q10: In the evolution of database technology,second-generation products
Q11: To be considered a true DBMS,a database
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