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$
USD
I will write sql queries, scripts, design database model, erd, troubleshooting
Senior Data Engineer
Systems Engineer with 15+ years of experience delivering Data Analytics and Data Engineering solutions. Expertise in software development, database architecture, performance optimization, dashboard de...
About this Gig
Do you need help designing your database model? Are you struggling with complex SQL queries that don't work or that take too much time to run? If so, I'm here to help you.
I will be happy to provide you assistance in:
- Database Creation, Maintenance, Tuning and Troubleshooting (bug fixing): MySQL, MS SQL Server (T-SQL) and Oracle (PL/SQL).
- Database Model Design: Enhanced Entity-Relationship diagrams (EER and ER). I will provide you an editable diagram.
- Conceptual, Logical and Physical Schema.
- Creation and optimization of complex SQL queries: DDL, DQL, DML, DCL and TCL scripts.
- ETL (extract, transform and load) processes.
- Normalization and denormalization.
- Tables, views, indexes and partitions.
- Constraints and relationships.
- Stored procedures, functions and triggers.
- Jobs and scheduled tasks.
- Security, users and roles.
- Backup and restore.
- Data import and export. Mock data generation.
- Documentation.
With 15+ years of experience in Database Development and Administration (DBA), Business Intelligence and Data Analytics, client's satisfaction is my main goal. Please contact me before placing your order to understand your needs and scope.
Platform:
MS SQL
•
MySQL
•
PL/SQL
•
SQL Server
Expertise:
SQL
•
DDL
•
DML
•
Query optimization
Other Databases Services I Offer
FAQ
I have special requirements that are not specified in the available packages, can you help me?
Of course. Feel free to contact me detailing your requirements, so I'll be able to offer you a custom order.
Reviews
4 reviews for this Gig
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Rating Breakdown
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- Recommend to a friend
- Service as described
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L luisdomingo6103
Ecuador
Ongoing collaborationexcelente profesional
$50
Price
G 
Seller's Response
Helpful?G 
gross100
United States
Ongoing collaborationAmazing work ! Incredible service and attention to detail. Highly recommended!!
$50
Price
G Seller's Response
Helpful?G gross100
United States
Ongoing collaborationAbsolutely incredible work. Detail oriented, amazing SQL queries, and amazing support and explanations provided as well. 100% recommend.
$50
Price
G Seller's Response
Helpful?O 
okaceo
United States
I'm an independent developer, and I came across some issues that Glan was able to solve in record time
$50
Price
G Seller's Response
Helpful?
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
L luisdomingo6103
Ecuador
Ongoing collaborationexcelente profesional
$50
Price
G Seller's Response
Helpful?G gross100
United States
Ongoing collaborationAmazing work ! Incredible service and attention to detail. Highly recommended!!
$50
Price
G Seller's Response
Helpful?G gross100
United States
Ongoing collaborationAbsolutely incredible work. Detail oriented, amazing SQL queries, and amazing support and explanations provided as well. 100% recommend.
$50
Price
G Seller's Response
Helpful?O okaceo
United States
I'm an independent developer, and I came across some issues that Glan was able to solve in record time
$50
Price
G Seller's Response
Helpful?
