The Sequel to SQL

​Learn the most important parts of the SQL language so you can create tables with constraints, use relationships, and write powerful join queries.

• Level 1: Aggregate Functions
• Level 2: Table Constraints
• Level 3: Normalization and Relationships
• Level 4: Inner Joins, Aliases, and Outer Joins
• Level 5: Subqueries

Темы: SQL

Инструменты:

Направления: Web Development