Relational databases use relational algebra to create tables.
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Q12: The length of time the user must
Q13: In the first normal form,repeated groups are
Q14: An index file is fully inverted when
Q15: Network systems are pointer-based systems that allow
Q16: DBMS is a user-friendly computer language or
Q18: Records are contiguous when they are physically
Q19: Sequential-access files are often referred to as
Q20: Variable-length records are easier to manipulate than
Q21: SQL is a non-procedural programming language.
Q22: A petabyte is 1015 bytes (characters).
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