Guide d'achat
· 6 min de lecture· Mis à jour le 2026-02-28SQL Server Standard vs Enterprise
Enterprise coûte environ 4 fois le prix de Standard. Les fonctionnalités qui justifient cet écart sont rares mais importantes. Décidez grâce à notre aide-mémoire.
- SQL Server
- Licences
Les fonctionnalités Enterprise qui comptent vraiment
Les deux éditions embarquent le même moteur de base de données, le même T-SQL, les mêmes DMV. La différence porte sur les plafonds de scalabilité et les fonctionnalités de haute disponibilité.
| Capacité | Standard | Enterprise |
|---|---|---|
| Cœurs max. | 24 | Illimité |
| Mémoire pool de mémoire tampon max. | 128 Go | Max. OS |
| Groupes de disponibilité Always On | Basique (2 réplicas) | Jusqu'à 9 réplicas |
| Reconstruction d'index en ligne | — | ✓ |
| OLTP en mémoire | Limité | Complet |
| Chiffrement transparent des données | ✓ | ✓ |
| Cache de segment ColumnStore | Limité | Illimité |
| Resource Governor | — | ✓ |
- SQL Server 2025 Standard1,859 $
- SQL Server 2025 Enterprise7,128 $ · ≈4×
Liste de contrôle pour décider
Parcourez cette liste. Si vous ne cochez aucun élément, Standard est le bon choix.
- · Besoin de plus de 24 cœurs ou de plus de 128 Go de pool de mémoire tampon ? → Enterprise.
- · Besoin d'Always On multi-réplicas avec lectures actives-actives ? → Enterprise.
- · Besoin de reconstructions d'index en ligne sur un système OLTP 24h/24 7j/7 ? → Enterprise.
- · Application publique avec utilisateurs anonymes et très grand volume de données ? → Enterprise (et licence par cœur).
- · Back-end ERP, 50 utilisateurs internes, serveur unique ? → Standard + CAL.
Questions fréquentes
- Puis-je passer d'Enterprise à Standard par la suite ?
- Oui, en détachant/rattachant les bases de données. Les fonctionnalités propres à Enterprise (p. ex. les index columnstore partitionnés) devront peut-être être supprimées au préalable.
- Qu'en est-il de l'édition Developer ?
- Gratuite, ensemble de fonctionnalités Enterprise complet, licenciée pour le développement et les tests uniquement. N'utilisez jamais cette version en production.
Licences recommandées
SQL Server 2022 Standard
Perpetual · Server + CAL or Per-Core
Mainstream SQL Server 2022 for departmental and small-business workloads.
SQL Server 2022 Enterprise
Perpetual · Per-Core
Enterprise SQL 2022 — unlimited scale, full HA, advanced analytics.
SQL Server 2025 Standard
Perpetual · Server + CAL or Per-Core
Newest SQL Server 2025 Standard — AI-ready, vector search built in.
SQL Server 2025 Enterprise
Perpetual · Per-Core
SQL 2025 Enterprise — unlimited scale, AI vectors, full Always On.
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