![]() It is automatically converted by the AWS Schema Conversion Tool (AWS SCT except for the WITH TIES and PERCENT modifiers. LIMIT… OFFSET syntax can be used to replace the functionality of both TOP(n) and FETCH… OFFSET in SQL Server. The OFFSET clause is zero-based, similar to SQL Server and used for pagination. The LIMIT clause limits the number of rows returned and doesn’t require an ORDER BY clause, although that would make the query non-deterministic. MySQL UsageĪmazon Aurora MySQL-Compatible Edition (Aurora MySQL) supports the non-ANSI compliant but popular with other database engines LIMIT… OFFSET operator for paging results sets. SELECT TOP (50) PERCENT *įor more information, see SELECT - ORDER BY Clause (Transact-SQL) and TOP (Transact-SQL) in the SQL Server documentation. Retrieve half of the rows based on quantity. ORDER BY Quantity DESC OrderID Item Quantity OFFSET 0 ROWS FETCH NEXT 3 ROWS ONLY OrderID Item Quantity Retrieve the three most ordered items by quantity. ) INSERT INTO OrderItems (OrderID, Item, Quantity) Syntax ORDER BY Ĭreate the OrderItems table. SELECT t.customer_id, MIN(t.transaction_date) AS first_transaction_date, MAX(t.transaction_date) AS last_transaction_date, MAX(t.transaction_amount) – MIN(t.transaction_amount) AS diff_amount, MAX(t.transaction_date) – MIN(t.transaction_date) AS diff_date FROM transaction t GROUP BY t.Queries using FETCH… OFFSET can still be non-deterministic if there is more than one row that has the same ordering value as the last row. SELECT p.product_id, p.product_name FROM products p LEFT OUTER JOIN transaction t ON p.product_id = t.product_id WHERE t.transaction_id IS NULL 4. SELECT p.product_id, p.product_name, total_amount FROM products p JOIN ( SELECT product_id, SUM(transaction_amount) AS total_amount FROM transaction GROUP BY product_id ORDER BY total_amount DESC ) t ON p.product_id = t.product_id WHERE ROWNUM = 1 3. SELECT * FROM ( SELECT transaction_id, customer_id, transaction_date, product_id, transaction_amount, ROW_NUMBER() OVER (ORDER BY transaction_date DESC) AS rn FROM transaction WHERE customer_id = 1 –(let 1) and transaction_date >= TRUNC(SYSDATE, ‘MM’) – 30 ) WHERE rn <= 10 order by transaction_id,customer_id 2. Or, you can also jump to our below two sections on SQL interview questions for freshers and experienced professionals.ġ. Write a query to find the 3rd highest salary from a table without top or limit keyword.Write an SQL query to fetch only odd rows from the table.Write an SQL query to fetch duplicate records from EmployeeDetails.Write an SQL query to fetch all the Employees who are also managers.Fetch employee names and salaries even if the salary value is not present for the employee.Write an SQL query to fetch a project-wise count of employees.Fetch all employees from EmployeeDetails who have a salary record in EmployeeSalary.SQL query to fetch all the Employees from EmployeeDetails who joined in the Year 2020.SQL query to fetch all the employees who are not working on any project.SQL Query to fetch records that are present in one table but not in another table. ![]() You can try solving these questions and click on the links to go to their respective answers. For your convenience, I have compiled the top 10 questions for you.
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