How to find min() value in MYSQL -

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मेरे पास मेरे डीबी में varchar प्रकार का एक कॉलम है।

तालिका नाम: ट्रांससीशन

कॉलम का नाम: authprocess

मुझे varchar स्तंभ पर न्यूनतम () मान ढूंढना है। 

  authprocess A1D1 A1D3 A1D4 ए 1 डी 1 ए 1 बी 1 ए 1 डी 5 ......   
 मैं कमांड का उपयोग कर रहा हूं / ट्रांस्किकेशन से न्यूनतम (authprocess) चुनें - फिर इसे "0000" मान दे  
 कृपया मुझे कमांड में बताएं MySQL।   
 
 
 MIN () एक चरित्र स्ट्रिंग के लिए कोई वास्तविक अर्थ नहीं है, आपका सर्वोत्तम शर्त है तार आरोही मूल्यों के आधार पर क्रमबद्ध करें और सबसे ऊपर का चयन करें ??  
  तालिका ORDER एएससी से टॉप 1 का चयन करें;

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