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Database query design

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SabahtHussein

Database Query Design

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Database Design QUERIES
Query Design  It is important to design all queries that might be required.  Query design should include the following:  Fields  Tables  Criteria for query  Sort order
Example  Design a query to list hotel names and phone numbers with at least a 4 star rating and a swimming pool: Field (s) hotelName, hotelNumberm StarRating, SwimmingPool Table (s) Hotel Search Criteria StarRating => 4 AND SwimmingPool = True Sort Order

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Database query design

  • 2. Query Design  It is important to design all queries that might be required.  Query design should include the following:  Fields  Tables  Criteria for query  Sort order
  • 3. Example  Design a query to list hotel names and phone numbers with at least a 4 star rating and a swimming pool: Field (s) hotelName, hotelNumberm StarRating, SwimmingPool Table (s) Hotel Search Criteria StarRating => 4 AND SwimmingPool = True Sort Order