Edexcel OLevel ICT revision notes

Your Progress: 148 of 164 (90%)

Lesson

Lesson-16.1.2- Explain the structure of a given database, including: record, field, table, primary key/field, foreign key/field, relationships between tables.

No content available for this lesson.

Lesson-16.1.1- Identify data types: alphanumeric/text, numeric/number, date, currency, logical/Boolean.Previous Lesson-16.1.3- Explain the need for validation and identify validation checks such as range check, presence check, type check, length check.Next