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Tables, records, and keys

Tables, records, and keys

SQL is used with relational databases, where data is organized into tables. In this structure, a row represents a single record, while a column represents a specific field of information.

Structured Query Language (SQL) Lesson

  1. A Level
  2. /Computer Science
  3. /Structured Query Language (SQL)

Step-by-step lessons covering OCR A Level Computer Science Structured Query Language (SQL) for A Level Computer Science. Each lesson works through exam-style questions.

Lessons