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Interview questions · medium
Compare PostgreSQL vs Snowflake. How do they handle duplicate record errors?
Explain Union vs Union All in SQL.
Explain normalization and its disadvantages.
Explain the difference between a clustered and non-clustered index.
Explain the difference between a fact table and a dimension table.
Explain the difference between a primary key and a unique key.
Find average salary by department, max average salary, and list of employees for the max salary department.
How many rows result from left, right, full outer, and inner joins?
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