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Nederlands
$
USD
Ik zal postgresql-, mssql- en mysql-query's schrijven
Data engineer en web scraper
Hoi, ik ben Umar Ali, een ervaren Python Developer en Data Engineer met meer dan 3 jaar ervaring.
Ik ben gespecialiseerd in SQL Server, PostgreSQL, SSIS-pakketten, Microsoft Fabric, Spark/PySpark en ...
Niveau 1
Voldoet aan bepaalde prestatiecriteria en toont een sterke potentie op de marktplaats.
Over deze dienst
Welkom bij mijn dienst!
Ben je op zoek naar een SQL expert om je database te optimaliseren? Zoek niet verder! Met jarenlange ervaring in databasebeheer, specialiseer ik me in het maken van maatwerk SQL queries, het ontwikkelen van stored procedures en het implementeren van triggers en functies die op jouw behoeften zijn afgestemd.
Mijn diensten omvatten:
- Efficiënt query schrijven: Snelle, nauwkeurige gegevensopvraging.
- Maatwerk stored procedures: Taken automatiseren en bedrijfsregels afdwingen.
- Dynamische triggers & functies: Verbeter de responsiviteit van je database.
- Prestatieoptimalisatie: Queries en indexering finetunen voor top prestaties.
- Data modellering & analyse: Visualiseer en begrijp je data beter.
Ik zet me in voor het leveren van werk van hoge kwaliteit en uitstekende klantenservice. Laten we samenwerken om je database voor jou te laten werken! Voel je vrij om contact op te nemen met vragen of speciale verzoeken. Jouw tevredenheid is mijn prioriteit!
Platform:
MySQL
•
PL/SQL
•
SQLite
•
SQL Server
Expertise:
SQL
•
DDL
•
DML
•
Query-optimalisatie
Andere Databases diensten die ik aanbied
Reviews
29 reviews van deze dienst
| (29) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
Meest relevant
R roman_pearse
Verenigde Staten
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!
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?A anowlseaking
Duitsland
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
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?A anowlseaking
Duitsland
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....
Tot maximaal US$ 50
Prijs
2 dagen
Looptijd
Nuttig?L leeqita
Verenigde Staten
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...
US$ 50-US$ 100
Prijs
2 dagen
Looptijd
Nuttig?F francislee0
Verenigde Staten
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...
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?
Reviews
29 reviews van deze dienst
| (29) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
Meest relevant
R roman_pearse
Verenigde Staten
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!
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?A anowlseaking
Duitsland
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
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?A anowlseaking
Duitsland
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....
Tot maximaal US$ 50
Prijs
2 dagen
Looptijd
Nuttig?L leeqita
Verenigde Staten
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...
US$ 50-US$ 100
Prijs
2 dagen
Looptijd
Nuttig?F francislee0
Verenigde Staten
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...
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?
