Kategorien durchsuchen
Entdecken
Fiverr Pro
Deutsch
$
USD
Mahmoud Hejazy
@mahmoudhejazy
Oracle Database Expert, ER Design and SQL Optimization
Palästinensergebiete
Über mich
I am a Software Engineer and Oracle Database Developer with a Diploma in Software and Database Programming and a Bachelor’s in Computer Information Systems, specializing in designing efficient and scalable database systems. I have strong skills in Oracle database design, ER diagrams, data modeling, data dictionary creation, database structuring, SQL queries from basic to advanced, query optimization, and performance tuning. I focus on clean design, accuracy, scalability, and delivering high-quality database solutions with strong communication and problem-solving skills.
Kompetenzen
Mahmoud Hejazy
offline •
Meine Dienstleistungen
Datenbank-Entwicklung
I will design oracle database, er diagram, sql queries and data dictionary
Desktop-Anwendungen
I will create professional oracle forms
Arbeitserfahrung
Oracle Database Programming
gov.il • Vollzeit
Jun 2010 - Oct 2023 • 13 yrs 4 mos
- Designed, developed, and maintained Oracle database systems for various governmental programs. - Built and managed databases for temporary employment initiatives and work permits for laborers in Israel. - Developed SQL queries, reports, and automated data validation procedures. - Ensured data integrity, security, and efficiency across multiple systems. - Collaborated with cross-departmental teams to enhance reporting accuracy and workflow performance. Freelance Database Support and Data Analysis - Providing technical and data entry support for local organizations and small projects. - Maintaining and analyzing databases to ensure data accuracy and accessibility.
49 Bewertungen
| (46) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (1) |
Zusammensetzung der Bewertung
- Kommunikation
- An einen Freund weiterempfehlen
- Dienstleistung wie beschrieben
1–5 von 49 Bewertungen
Sortieren nach:
Am relevantesten
digitranstech
Wiederkehrender Kunde
Vereinigte Staaten
Antwort des Freelancers
Hilfreich?
digitranstech
Wiederkehrender Kunde
Vereinigte Staaten
Antwort des Freelancers
Hilfreich?
yadhuramk
Indien
Antwort des Freelancers
Hilfreich?
sbitssbitssbits
Vereinigte Staaten
Thank you. Incredibly committed and detail oriented professional. Helpful and accurate. Mahmoud went the extra mile above and beyond. Mahmoud personally connected with me through Zoom to make sure the deliverable works and to answer any questions. This is what a highly skilled professional should be like. Thank you!
Antwort des Freelancers
Hilfreich?
amousawi
Großbritannien
He was very quick and efficient in his work. Done as he promised and did not complain about any thing I asked for.
Antwort des Freelancers
Hilfreich?
