=== EXPLORATION STRUCTURE DES TABLES EEX ===

📋 STRUCTURE DE eex_v2_futures :
   - id (int(10) unsigned) NO PRI auto_increment
   - pricesymbol (varchar(50)) YES MUL 
   - tradedatetimegmt (datetime) YES MUL 
   - onexchsingletradevolume (decimal(15,2)) YES  
   - onexchtradevolumeeex (decimal(15,2)) YES  
   - offexchtradevolumeeex (decimal(15,2)) YES  
   - openinterest (decimal(15,2)) YES  
   - ontradeprice (varchar(50)) YES  
   - close (varchar(50)) NO  
   - service_name (varchar(50)) YES MUL 
   - api_url (varchar(500)) YES  
   - created_at (timestamp) NO  
   - updated_at (timestamp) NO  on update current_timestamp()
   Total : 3978 enregistrements
   Échantillon (3 derniers) :
     1. ID 6918 - tradedatetimegmt: 2026-02-09 12:00:00
     2. ID 6917 - tradedatetimegmt: 2026-02-09 12:00:00
     3. ID 6916 - tradedatetimegmt: 2026-02-09 12:00:00

📋 STRUCTURE DE eex_v2_spot :
   - id (int(10) unsigned) NO PRI auto_increment
   - Date (date) NO MUL 
   - Heure (time) NO  
   - Contrat (varchar(50)) NO MUL 
   - Dernier (decimal(10,2)) YES  
   - Variation (decimal(10,2)) YES  
   - Bid (decimal(10,2)) YES  
   - Ask (decimal(10,2)) YES  
   - Haut (decimal(10,2)) YES  
   - Bas (decimal(10,2)) YES  
   - Volume (int(11)) YES  
   - service_name (varchar(50)) YES MUL 
   - api_url (varchar(500)) YES  
   - created_at (timestamp) NO  
   - updated_at (timestamp) NO  on update current_timestamp()
   Total : 290 enregistrements
   Échantillon (3 derniers) :
     1. ID 596 - Date: 2026-01-26
     2. ID 595 - Date: 2026-01-26
     3. ID 594 - Date: 2026-01-26

📋 STRUCTURE DE eex_v2_power_spot :
   - id (int(10) unsigned) NO PRI auto_increment
   - Date (date) NO MUL 
   - Heure (time) NO  
   - heure_sequence (tinyint(3) unsigned) NO  
   - Pays (varchar(10)) NO MUL 
   - Prix (decimal(10,2)) YES  
   - service_name (varchar(50)) YES MUL 
   - api_url (varchar(500)) YES  
   - created_at (timestamp) NO  
   - updated_at (timestamp) NO  on update current_timestamp()
   Total : 4116 enregistrements
   Échantillon (3 derniers) :
     1. ID 6628 - Date: 2026-02-28
     2. ID 6627 - Date: 2026-02-28
     3. ID 6626 - Date: 2026-02-28

🔍 COLONNES DE DATE POSSIBLES dans eex_v2_futures :
   - tradedatetimegmt : datetime
   - created_at : timestamp
   - updated_at : timestamp