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CS50's Introduction to Databases with SQL
Harvard · CS50 · SQL & databasesFrom Harvard: table design, queries and indexes, with lectures and hands-on problem sets. Entirely free.
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Junior Database Developer
Database path · Data & BIWrites and tunes queries and stored procedures; with experience, keeps databases running, fast, secure and backed up.
Open to new graduatesمطور قواعد بيانات مبتدئ
What the job involves
- Writes queries and stored procedures
- Designs tables and indexes
- Monitors performance and tunes slow queries
- Manages backup and recovery
- Controls user permissions
Your path from this job
- Junior Database DeveloperYou start as · 0–2 years
Writes queries and reports and fixes data issues.
- Database Administrator2–5 years
Runs production databases: performance, backups and access.
- Senior DBA5–8 years
Plans high availability, scaling and cloud migrations.
- Data Architect8+ years
Designs the organisation's data platforms.
Years are approximate and vary by employer. What matters is that each stage builds on the last.
Where you'd work
Banks, telecoms, government bodies and system vendors.
Skills you need
Advanced SQLNormalisationIndexingBackup strategiesLinux basics
Tools of the trade
SQL ServerOracle DatabaseMySQLPostgreSQLAzure SQL
Learn it on MyMisPal
Certification ladder
Tap any certification for details. You don't need them all: pick one per level based on where you work.
EntryStart here
IntermediateAfter about 2 years
AdvancedFor seniors
Get ready for this role
Suggested courses for this role
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SQL Tutorial: Full Database Course for Beginners
freeCodeCamp · SQL & databasesOne of YouTube's best-known SQL videos: from database design to joins.
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SQL for Data Science
Coursera · UC Davis · SQL & databasesFrom UC Davis, focused on using SQL for analysis.
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The Complete SQL Bootcamp
Udemy · Jose Portilla · SQL & databasesOne of the best-selling SQL courses, on PostgreSQL. Wait for a Udemy sale; prices drop often.