The columns of a relation can be arranged in any order without affecting the meaning of the data.
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Q16: Which of the following relational algebra commands
Q17: Relational database management first became commercially viable
Q18: Which of the following relational algebra commands
Q19: Consider relations X and Y, each representing
Q20: All of the following events and factors
Q22: A foreign key must have unique values
Q23: A relational DBMS is capable of automating
Q24: Performance issues delayed the introduction of relational
Q25: Storing a many-to-many relationship in a relational
Q26: A relation's primary key field can have
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