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Q. |
## What does the “x” operator do in relational algebra? |

A. | Output specified attributes from all rows of the input relation. Remove duplicate tuples from the output |

B. | Output pairs of rows from the two input relations that have the same value on all attributes that have the same name |

C. | Output all pairs of rows from the two input relations (regardless of whether or not they have the same values on common attributes) |

D. | Returns the rows of the input relation that satisfy the predicate |

Answer» C. Output all pairs of rows from the two input relations (regardless of whether or not they have the same values on common attributes) |

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