What is the difference between sql and mysql?
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How is a process of pl/sql compiled?
SELECT category, type, AVG(price) FROM products GROUP BY category, type ORDER BY 1, 2 If there are three distinct categories in the "products" table, and each one has five different types, how many rows are returned by the query above? 1. 1 row 2. 3 rows 3. 5 rows 4. 8 rows 5. 15 rows
How do you explain an index number?
What are the differences between in and exists clause?
i want to display 1 to 10 numbers using one select statement.
18 Answers HCL, Nyros, Oracle,
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