A Guide to SQL (8th Edition) by Philip J. Pratt, Mary Z. Last

By Philip J. Pratt, Mary Z. Last

A advisor TO SQL, 8E, remains to be the fundamental SQL reference. It builds at the good fortune of prior versions through providing simple SQL instructions within the context of a working case during which a company makes use of SQL to control orders, elements, buyers, and revenues reps. The publication covers the basics of SQL programming utilizing uncomplicated guide and large hands-on workouts. carrying on with with its specialise in studying the fundamentals whatever the database atmosphere selected, this version gains examples from the most recent databases: Oracle 11g, entry 2007, and MySQL. The 8th variation expands at the use of operating case experiences through including a 3rd working case to the wide hands-on pedagogy on the finish of each bankruptcy.

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Additional info for A Guide to SQL (8th Edition)

Example text

Jove Publications published The Edge, When Rabbit Howls, and Slay Ride. To find the books published by Jove Publications, find its code (JP) in the PUBLISHER table. Next, find all records in the BOOK table for which the publisher code is JP. The table named WROTE, as shown in Figure 1-7, relates books to the authors who wrote them. The SEQUENCE column indicates the order in which the authors of a particular book are listed on the cover. The table named INVENTORY in the same figure is used to indicate the number of copies of a particular book that are currently on hand at a particular branch of Henry Books.

For each owner, the table also includes the last name, first name, address, city, state, and zip code. OWNER OWNER_ LAST_ NAME NUM FIRST_NAME AD57 Adney Bruce and Jean 208 Citrus AN75 Anderson Bill 18 Wilcox BL72 Blake Mary 2672 Commodore Bowton FL 31313 EL25 Elend Sandy and Bill 462 Riverside Rivard FL 31062 FE82 Feenstra Daniel 7822 Coventry Kaleva FL 32521 JU92 Juarez Maria 8922 Oak Rivard FL 31062 KE22 Kelly Alyssa 5271 Waters Bowton FL 31313 NO27 Norton Peter 2811 Lakewood Lewiston FL 32765 SM72 Smeltz Becky and Dave 922 Garland Glander Bay FL 31044 TR72 Trent Ashton Bay Shores 30992 FIGURE 1-9 ADDRESS 922 Crest CITY STATE ZIP Bowton FL 31313 Glander Bay FL 31044 FL Sample owner data for Alexamara Marina Group Each marina contains slips that are identified by slip numbers.

There is an association between customers and sales reps, for example, at Premiere Products. A sales rep is associated with all of his or her customers, and a customer is associated with his or her sales rep. Technically, you say that a sales rep is related to all of his or her customers, and a customer is related to his or her sales rep. The relationship between sales reps and customers is an example of a one-to-many relationship because one sales rep is associated with many customers, but each customer is associated with only one sales rep.

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