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J'écrirai des requêtes postgresql, mssql et mysql
Ingénieur de données et Web Scrapper
Bonjour, je suis Umar Ali, un développeur Python et ingénieur en données expérimenté avec plus de 3 ans d'expérience.
Je me spécialise dans SQL Server, PostgreSQL, les packages SSIS, Microsoft Fabric...
Niveau 1
Répond à certains critères de performance et présente un fort potentiel sur la place de marché.
À propos de ce service
Bienvenue sur My service!
Vous avez besoin d'un expert SQL pour optimiser votre base de données ? Ne cherchez plus ! Avec des années d'expérience dans la gestion de bases de données, je me spécialise dans la création de requêtes SQL personnalisées , le développement de procédures stockées et la mise en œuvre de déclencheurs et de fonctions adaptés à vos besoins.
Mes services incluent :
- Rédaction de requêtes efficace : obtenez une récupération de données rapide et précise.
- Procédures stockées personnalisées : automatisez les tâches et appliquez les règles métier.
- Déclencheurs et fonctions dynamiques : améliorez la réactivité de la base de données.
- Optimisation des performances : affinez les requêtes et l'indexation pour des performances optimales.
- Modélisation et analyse des données : visualisez et comprenez mieux vos données.
Je m'engage à fournir un travail de haute qualité et un excellent service client. Collaborons pour que votre base de données fonctionne pour vous ! N'hésitez pas à me contacter pour toute question ou demande spéciale. Votre satisfaction est ma priorité !
Plateforme:
mySQL
•
PL/SQL
•
SQLite
•
SQL Server
Expertise:
SQL
•
DDL
•
DML
•
Optimisation des demandes
Autres services de Bases de données I Offre
Avis
29 avis concernant ce service
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R roman_pearse
États-Unis
I’m very satisfied with Umar’s work. He delivered the project with 100% accuracy and exceeded expectations. His expertise in SQL and Oracle, including views, roles, and privileges, was excellent. Queries were well-structured and error-free. Delivered on time with clear explanations. Highly professional and reliable definitely recommended!
Jusqu’à 50 $US
Prix
1 jour
Durée
Utile?A anowlseaking
Allemagne
I had a quick question and it was handled just as quickly. This was the second time I worked with Umar - my request was regarding a former order and it was handled quickly and without issue. Very nice! Thank you
Jusqu’à 50 $US
Prix
1 jour
Durée
Utile?A anowlseaking
Allemagne
I needed help with a SQL querie for a personal project, but I had to admit that my own SQL knowledge was not "good enough". I reached out to Umar and we quickly came to an understanding. Umar deducted quickly what was needed and was able to help me with my SQL related issues. All was pretty quickly finished....
Jusqu’à 50 $US
Prix
2 jours
Durée
Utile?L leeqita
États-Unis
I hired Umar for a SQL data analysis project, and he exceeded all expectations. He completed the task with 100% accuracy, delivered clean and optimized queries, and clearly understood every requirement. His communication was professional and timely. Umar is reliable, detail-oriented, and a true expert...
50 $US-100 $US
Prix
2 jours
Durée
Utile?F francislee0
États-Unis
I had the pleasure of working with Umar, and his expertise in SQL troubleshooting was outstanding. He efficiently identified and resolved a complex query error, ensuring smooth data updates without removing duplicates. His problem-solving skills, technical knowledge, and attention to detail made the...
Jusqu’à 50 $US
Prix
1 jour
Durée
Utile?
Avis
29 avis concernant ce service
| (29) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Détails de la notation
- Niveau de communication avec le freelance
- Qualité de la livraison
- Valeur de la livraison
Trier par
Les plus pertinents
R roman_pearse
États-Unis
I’m very satisfied with Umar’s work. He delivered the project with 100% accuracy and exceeded expectations. His expertise in SQL and Oracle, including views, roles, and privileges, was excellent. Queries were well-structured and error-free. Delivered on time with clear explanations. Highly professional and reliable definitely recommended!
Jusqu’à 50 $US
Prix
1 jour
Durée
Utile?A anowlseaking
Allemagne
I had a quick question and it was handled just as quickly. This was the second time I worked with Umar - my request was regarding a former order and it was handled quickly and without issue. Very nice! Thank you
Jusqu’à 50 $US
Prix
1 jour
Durée
Utile?A anowlseaking
Allemagne
I needed help with a SQL querie for a personal project, but I had to admit that my own SQL knowledge was not "good enough". I reached out to Umar and we quickly came to an understanding. Umar deducted quickly what was needed and was able to help me with my SQL related issues. All was pretty quickly finished....
Jusqu’à 50 $US
Prix
2 jours
Durée
Utile?L leeqita
États-Unis
I hired Umar for a SQL data analysis project, and he exceeded all expectations. He completed the task with 100% accuracy, delivered clean and optimized queries, and clearly understood every requirement. His communication was professional and timely. Umar is reliable, detail-oriented, and a true expert...
50 $US-100 $US
Prix
2 jours
Durée
Utile?F francislee0
États-Unis
I had the pleasure of working with Umar, and his expertise in SQL troubleshooting was outstanding. He efficiently identified and resolved a complex query error, ensuring smooth data updates without removing duplicates. His problem-solving skills, technical knowledge, and attention to detail made the...
Jusqu’à 50 $US
Prix
1 jour
Durée
Utile?
