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  1. #1
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    How to write Join Query for 3 tables

    i have 3 tables:- sector, category, subategory

    sector table
    id->primary key
    sector-name

    category table
    id->primary key
    secid->Foreign key to sector table
    category-name

    subcategory
    id->primary key
    secid->Foreign key to sector table
    catid->Foreign key to category table
    subcat-name

    now i want sector-name, category-name and subcat-name from 3 tables..how to join these 3 tables....

  2. #2
    Master Coder sunfighter's Avatar
    Join Date
    Jan 2011
    Location
    Washington
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    SELECT s.sector-name, c.category-name, sub.subcat-name
    FROM `sector table` s, `category table` c, `subcategory` sub
    WHERE s.id = c.secid
    AND c.secid = sub.secid


 

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