How to Write Accurate SQL Code

SQLisfullofdifficultiesandtrapsfortheunwary.Youcanavoidthemifyouunderstandrelational theory,butonlyifyouknowhowtoputthattheoryintopractice.Inthisbook,ChrisDateexplains relationaltheoryindepth,anddemonstratesthroughnumerousexamplesandexerciseshowyou can