Multiple choice technology databases

There should be one condition within the WHERE clause for each pair of tables being joined.

  1. TRUE

  2. FALSE

  3. DO not know

  4. Both

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When joining multiple tables, you generally need one join condition per pair of tables being joined to properly establish the relationship between them. For N tables, you typically need N-1 join conditions. Each condition connects two tables through matching keys. Without proper conditions, you risk a Cartesian product.

AI explanation

To answer this question, you need to understand the concept of joining tables in a SQL query.

When joining tables in a SQL query, the WHERE clause is used to specify the conditions for the join. Each pair of tables being joined should have one condition within the WHERE clause to define how the tables are related.

Option A) TRUE - This option is correct. Each pair of tables being joined should have one condition within the WHERE clause to specify the join condition.

Option B) FALSE - This option is incorrect. Each pair of tables being joined should have one condition within the WHERE clause.

Option C) DO not know - This option is incorrect because the correct answer is option A.

Option D) Both - This option is incorrect because the correct answer is option A.

The correct answer is A) TRUE. This option is correct because each pair of tables being joined should have one condition within the WHERE clause to specify the join condition.