What are some common pitfalls to watch out for when writing SQL queries?
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Using subqueries or correlated subqueries without considering their performance impact can lead to slow and inefficient queries.
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Another pitfall is using SELECT * instead of specifying the actual columns you need, which can lead to unnecessary data retrieval and inefficient queries.
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Failing to properly sanitize user input can open up your code to SQL injection attacks.
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Forgetting to include the necessary JOIN conditions in your queries can result in incorrect or incomplete data being returned.
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One common pitfall is not properly indexing your database tables which can lead to slow query performance.
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New questions in the section SQL
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SQL
2024-08-16 16:12:07
What are some innovative use cases for SQL beyond traditional data querying?
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