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Dec 17th, 2018
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  1. create table category (
  2. catId int identity(1,1),
  3. catName varchar(20),
  4.  
  5. Constraint pk_category
  6. PRIMARY KEY(catId))
  7.  
  8. create table subcategory (
  9. subCatId INT IDENTITY(1,1),
  10. catId INT,
  11. subCatName VARCHAR(20),
  12.  
  13. CONSTRAINT pk_subcategory
  14. PRIMARY KEY(catId,subCatId),
  15.  
  16. CONSTRAINT fk_subcat_cat
  17. FOREIGN KEY(catID)
  18. REFERENCES category(catId))
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