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Mastering PostgreSQL Databases: From Basics to Advanced

Quiz on SQL Basics

Assess your grasp of essential SQL concepts and commands in this quiz. Gain confidence in writing basic queries, defining data, and manipulating PostgreSQL databases to build a strong foundation for advanced learning.

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1. Complete the SQL query below to select the first 10 rows from the "Sales" table.
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2. Complete the SQL query below to sort the results of a query in ascending order.
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3. Complete the SQL query below to sort the rows in the "Employee" table in descending order of their salary.
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4. Complete the SQL query below to find the names from the "Employee" table containing the letter 'A.'
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5. Complete the SQL query below to count the rows in the "Product" table.
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6. Complete the SQL query below to select unique values for the "salary" column in the "Employee" table.
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7. Complete the SQL query below to insert a row into the "Sales" table.
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8. Complete the SQL query below to delete products from the "Product" table with prices greater than 100.
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