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SQL Query to Display Student ID and Grade | Easy Guide with Example


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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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📌 SQL Query to Print Student ID and Grade | Beginner-Friendly Guide

When working with databases, retrieving student data efficiently is essential. One common task is extracting the Student ID and Grade for each record in the Student table.

In this post, we’ll explore:
✅ How to write an SQL query to fetch ID and Grade
Practical use cases for analytics, dashboards, and reporting
Query variations for filtering, sorting, and optimizing performance

Let’s dive in! 🚀


📝 SQL Query to Retrieve Student ID and Grade

Here’s a simple yet powerful SQL query to fetch ID and Grade from the Student table:

 
SELECT ID, Grade FROM Student;

🔍 Query Breakdown

✔️ SELECT ID, Grade – Retrieves the ID and Grade columns.
✔️ FROM Student – Specifies the table where data is stored.

💡 Use Case: This query is useful for report generation, data export, and analytics in academic databases.


📊 Practical Use Cases of This Query

🔹 📑 Student Progress Reports: Fetches IDs and grades for performance tracking.
🔹 📤 Data Export: Exports records for use in third-party systems.
🔹 📈 Dashboard Visualization: Helps in Power BI, Tableau, and Excel reports.


🔄 Variations of the Query

🎯 1️⃣ Filtering by Specific Grade

Want to fetch only students with a Grade of ‘A’? Try this:

 
SELECT ID, Grade FROM Student WHERE Grade = 'A';

🔹 Use Case: Extracts top-performing students for scholarships or honors lists.


📌 2️⃣ Sorting by Grade in Descending Order

To list students from highest to lowest grades, use:

 
SELECT ID, Grade FROM Student ORDER BY Grade DESC;

🔹 Use Case: Useful for ranking students in academic dashboards.


🏷 3️⃣ Displaying Student Names Alongside Grades

To include the student’s name for better context:

 
SELECT ID, Name, Grade FROM Student;

🔹 Use Case: Helps in creating student profiles or attendance records.


Optimizing the Query for Performance

🔹 🗂 Use Indexing: Index the ID and Grade columns for faster retrieval.
🔹 🚀 Avoid NULL Values: Exclude records missing a grade using:

 
SELECT ID, Grade FROM Student WHERE Grade IS NOT NULL;

🔹 🔄 Optimize Sorting: Use indexes on Grade to speed up sorting.


🎯 Conclusion

We explored how to:
✅ Retrieve Student ID and Grade using SQL
✅ Apply filters, sorting, and additional columns
✅ Optimize performance for faster queries

💡 Next Steps: Try integrating this into a larger school management database!

📢 Have questions? Drop a comment below! 💬

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