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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 · 75 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

Amelia Reed 4

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

Amelia Parker 4

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

Amelia Collins 4

A valuable course with concise lessons and useful exercises.

Amelia Carter 5

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

James Cooper 5

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

James Morgan 5

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

James Reed 5

A valuable course with concise lessons and useful exercises.

James Collins 4

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

Mia Foster 4

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

Mia Hayes 4

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

60 review(s) · page 1 of 6