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Databases & SQL

Design relational databases and write useful SQL queries for reliable application data.

Mate Meskhi · Backend Development · Intermediate · 4.5 · 76 students

Databases & SQL

Description

This intermediate course develops practical relational database skills. Students model entities and relationships, create normalized tables, query and aggregate data, join related records, use transactions, understand indexes, and analyze common performance concerns.

SQL Databases Query Optimization

Curriculum

  • Tables, Keys, and Relationships (17 min)
  • Normalization Basics (15 min)

  • SELECT, Filtering, and Aggregation (18 min)
  • Joining Related Tables (18 min)

  • Transactions and Data Integrity (17 min)
  • Indexes and Query Performance (17 min)

Reviews

Olivia Cooper 4

A valuable course with concise lessons and useful exercises.

Olivia Reed 5

Good structure, helpful content, and an appropriate level of difficulty.

Olivia Carter 5

I completed the course successfully and would recommend it to other students.

Ethan Brooks 5

The material was engaging, consistent, and easy to follow.

Ethan Foster 5

A valuable course with concise lessons and useful exercises.

Ethan Cooper 4

Good structure, helpful content, and an appropriate level of difficulty.

Ethan Collins 4

I completed the course successfully and would recommend it to other students.

Ethan Bennett 4

The material was engaging, consistent, and easy to follow.

Ethan Carter 4

A valuable course with concise lessons and useful exercises.

Amelia Foster 4

Good structure, helpful content, and an appropriate level of difficulty.

60 review(s) · page 6 of 6