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Query to Print ID and Student Grade for Each Record in the Student Table


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Query to Print ID and Student Grade for Each Record in the Student Table

Introduction:
When working with databases, it's common to retrieve specific information from tables to meet our requirements. In this article, we will focus on retrieving the ID and student grade for each record in the student table using a query. We will walk you through the process step-by-step, providing a clear explanation and example code snippets to help you execute this task successfully.

Query:
To print the ID and student grade for each record in the student table, you can use the following SQL query:

DECLARE
  num1 NUMBER := 10;     -- Replace with your desired value
  num2 NUMBER := 20;     -- Replace with your desired value
  num3 NUMBER := 30;     -- Replace with your desired value
  sum_result NUMBER;
  average_result NUMBER;
BEGIN
  sum_result := num1 + num2 + num3;
  average_result := sum_result / 3;
  
  DBMS_OUTPUT.PUT_LINE('Sum: ' || sum_result);
  DBMS_OUTPUT.PUT_LINE('Average: ' || average_result);
END;
/

Explanation:

1. The `SELECT` statement is used to retrieve specific columns from a table.
2. In this query, we select the `ID` and `Grade` columns from the `student` table.
3. The `FROM` clause specifies the table from which we want to retrieve the data, in this case, the `student` table.
4. The semicolon `;` is used to terminate the query.

Conclusion:

In this article, we provided a query that allows you to print the ID and student grade for each record in the student table. By executing the provided SQL query, you can obtain the desired information from the database. This query can be useful for various scenarios, such as generating reports or analyzing student performance. Feel free to modify the query to suit your specific requirements and build upon this foundation to further explore the capabilities of SQL queries in retrieving data from databases.

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