Question: A DDBMS has two tables TableA has a row size of roughly 100 bytes Is stored in Melbourne has around 500,000 rows TableB has

A DDBMS has two tables TableA has a row size of roughly 100 bytes Is stored in Melbourne has around 500,000 rows TableB has a row size of roughly 100 bytes Is stored in the New York has around 10,000 rows Imagine a query is written that requires data from about 10% of rows from both tables. a. "When a query that involves tables at more than one site, it will be performed at the local site". What does this mean? b. Which will generally take longer? a) b) Running the query in Melbourne Running the query in New York c. How can views and synonyms be used to get the queries to roughly execute in the same time, regardless of which city the query is run from?

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