What is DQL in SQL?
An example of an AI chatbot conversation about SQL Data Query Language (DQL) usage.
What is DQL in SQL?
DQL stands for Data Query Language, which is used to query data from a database. The most common DQL command is SELECT.
Can you give me an example of a DQL query?
Sure! A simple DQL query would be: SELECT * FROM employees; This retrieves all records from the employees table.
What if I want to filter the results?
You can use the WHERE clause to filter results. For example: SELECT * FROM employees WHERE department = 'Sales'; This retrieves employees in the Sales department.
How do I sort the results?
You can use the ORDER BY clause. For example: SELECT * FROM employees ORDER BY last_name ASC; This sorts the results by last name in ascending order.
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