{"id":791,"date":"2025-01-08T04:07:21","date_gmt":"2025-01-08T04:07:21","guid":{"rendered":"https:\/\/itxperts.co.in\/blog\/?p=791"},"modified":"2025-01-08T04:07:21","modified_gmt":"2025-01-08T04:07:21","slug":"20-mysql-queries-for-cbse-class-12-practical-file-with-output","status":"publish","type":"post","link":"https:\/\/itxperts.co.in\/blog\/20-mysql-queries-for-cbse-class-12-practical-file-with-output\/","title":{"rendered":"20 MySQL Queries for CBSE Class 12 Practical File with Output"},"content":{"rendered":"\n

Introduction<\/strong><\/h3>\n\n\n\n

SQL (Structured Query Language) is a powerful tool for managing and querying data in relational databases. Here are 20 MySQL queries commonly used in CBSE Class 12 practicals, complete with their descriptions and outputs.<\/p>\n\n\n\n

\n\n\n\n

1. Create a Table<\/strong><\/h3>\n\n\n\n

Query<\/strong><\/p>\n\n\n\n

CREATE TABLE Students (\n    RollNo INT PRIMARY KEY,\n    Name VARCHAR(50),\n    Class VARCHAR(10),\n    Marks INT,\n    Gender CHAR(1)\n);\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
Table created successfully.<\/em><\/p>\n\n\n\n
\n\n\n\n
2. Insert Records into Table<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
INSERT INTO Students VALUES \n(1, 'Amit Sharma', '12A', 85, 'M'),\n(2, 'Riya Verma', '12B', 90, 'F'),\n(3, 'Anil Kumar', '12A', 72, 'M'),\n(4, 'Neha Singh', '12C', 88, 'F'),\n(5, 'Rohit Das', '12B', 76, 'M');\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
5 rows inserted.<\/em><\/p>\n\n\n\n
\n\n\n\n
3. Display All Records<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT * FROM Students;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
RollNo<\/th>Name<\/th>Class<\/th>Marks<\/th>Gender<\/th><\/tr><\/thead>
1<\/td>Amit Sharma<\/td>12A<\/td>85<\/td>M<\/td><\/tr>
2<\/td>Riya Verma<\/td>12B<\/td>90<\/td>F<\/td><\/tr>
3<\/td>Anil Kumar<\/td>12A<\/td>72<\/td>M<\/td><\/tr>
4<\/td>Neha Singh<\/td>12C<\/td>88<\/td>F<\/td><\/tr>
5<\/td>Rohit Das<\/td>12B<\/td>76<\/td>M<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
4. Display Students with Marks Above 80<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT * FROM Students WHERE Marks > 80;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
RollNo<\/th>Name<\/th>Class<\/th>Marks<\/th>Gender<\/th><\/tr><\/thead>
1<\/td>Amit Sharma<\/td>12A<\/td>85<\/td>M<\/td><\/tr>
2<\/td>Riya Verma<\/td>12B<\/td>90<\/td>F<\/td><\/tr>
4<\/td>Neha Singh<\/td>12C<\/td>88<\/td>F<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
5. Display Names of Female Students<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT Name FROM Students WHERE Gender = 'F';\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
Name<\/th><\/tr><\/thead>
Riya Verma<\/td><\/tr>
Neha Singh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
6. Sort Records by Marks in Descending Order<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT * FROM Students ORDER BY Marks DESC;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
RollNo<\/th>Name<\/th>Class<\/th>Marks<\/th>Gender<\/th><\/tr><\/thead>
2<\/td>Riya Verma<\/td>12B<\/td>90<\/td>F<\/td><\/tr>
4<\/td>Neha Singh<\/td>12C<\/td>88<\/td>F<\/td><\/tr>
1<\/td>Amit Sharma<\/td>12A<\/td>85<\/td>M<\/td><\/tr>
5<\/td>Rohit Das<\/td>12B<\/td>76<\/td>M<\/td><\/tr>
3<\/td>Anil Kumar<\/td>12A<\/td>72<\/td>M<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
7. Count Total Students<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT COUNT(*) AS TotalStudents FROM Students;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
TotalStudents<\/th><\/tr><\/thead>
5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
8. Display Average Marks of the Class<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT AVG(Marks) AS AverageMarks FROM Students;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
AverageMarks<\/th><\/tr><\/thead>
82.2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
9. Display Maximum and Minimum Marks<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT MAX(Marks) AS HighestMarks, MIN(Marks) AS LowestMarks FROM Students;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
HighestMarks<\/th>LowestMarks<\/th><\/tr><\/thead>
90<\/td>72<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
10. Display Students in Class 12A<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT * FROM Students WHERE Class = '12A';\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
RollNo<\/th>Name<\/th>Class<\/th>Marks<\/th>Gender<\/th><\/tr><\/thead>
1<\/td>Amit Sharma<\/td>12A<\/td>85<\/td>M<\/td><\/tr>
3<\/td>Anil Kumar<\/td>12A<\/td>72<\/td>M<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
11. Update Marks of a Student<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
UPDATE Students SET Marks = 95 WHERE RollNo = 2;\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
1 row updated.<\/em><\/p>\n\n\n\n
\n\n\n\n
12. Delete a Student Record<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
DELETE FROM Students WHERE RollNo = 5;\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
1 row deleted.<\/em><\/p>\n\n\n\n
\n\n\n\n
13. Add a New Column for Age<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
ALTER TABLE Students ADD Age INT;\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
Table altered successfully.<\/em><\/p>\n\n\n\n
\n\n\n\n
14. Display Students with Names Starting with ‘A’<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT * FROM Students WHERE Name LIKE 'A%';\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
RollNo<\/th>Name<\/th>Class<\/th>Marks<\/th>Gender<\/th><\/tr><\/thead>
1<\/td>Amit Sharma<\/td>12A<\/td>85<\/td>M<\/td><\/tr>
3<\/td>Anil Kumar<\/td>12A<\/td>72<\/td>M<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
15. Find the Total Marks of Male Students<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT SUM(Marks) AS TotalMarksMale FROM Students WHERE Gender = 'M';\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
TotalMarksMale<\/th><\/tr><\/thead>
157<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
16. Display Students Grouped by Class<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT Class, COUNT(*) AS NumberOfStudents FROM Students GROUP BY Class;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
Class<\/th>NumberOfStudents<\/th><\/tr><\/thead>
12A<\/td>2<\/td><\/tr>
12B<\/td>1<\/td><\/tr>
12C<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
17. Create a Table for Subjects<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
CREATE TABLE Subjects (\n    SubjectID INT PRIMARY KEY,\n    SubjectName VARCHAR(50),\n    MaxMarks INT\n);\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
Table created successfully.<\/em><\/p>\n\n\n\n
\n\n\n\n
18. Insert Records into Subjects Table<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
INSERT INTO Subjects VALUES \n(1, 'Mathematics', 100),\n(2, 'Physics', 100),\n(3, 'Chemistry', 100);\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
3 rows inserted.<\/em><\/p>\n\n\n\n
\n\n\n\n
19. Join Students and Subjects (Example)<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
SELECT Students.Name, Subjects.SubjectName\nFROM Students\nJOIN Subjects ON Students.RollNo = Subjects.SubjectID;\n<\/code><\/pre>\n\n\n\n
Output<\/strong><\/p>\n\n\n\n
Name<\/th>SubjectName<\/th><\/tr><\/thead>
Amit Sharma<\/td>Mathematics<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
20. Drop the Subjects Table<\/strong><\/h3>\n\n\n\n
Query<\/strong><\/p>\n\n\n\n
DROP TABLE Subjects;\n<\/code><\/pre>\n\n\n\n
Output<\/strong>
Table dropped successfully.<\/em><\/p>\n\n\n\n
\n\n\n\n
Conclusion<\/strong><\/h3>\n\n\n\n
These queries cover essential SQL operations like table creation, data insertion, conditional queries, and joins. Practice these for your CBSE Class 12 practicals to build a solid understanding of MySQL.<\/p>\n\n\n\n
Let me know if you’d like this formatted further or need additional queries!<\/p>\n","protected":false},"excerpt":{"rendered":"
Introduction SQL (Structured Query Language) is a powerful tool for managing and querying data in relational databases. Here are 20 MySQL queries commonly used in CBSE Class 12 practicals, complete with their descriptions and outputs. 1. Create a Table Query OutputTable created successfully. 2. Insert Records into Table Query Output5 rows inserted. 3. Display All […]<\/p>\n","protected":false},"author":1,"featured_media":792,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"googlesitekit_rrm_CAow44u0DA:productID":"","footnotes":""},"categories":[159],"tags":[],"class_list":["post-791","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn-mysql"],"acf":[],"yoast_head":"\n20 MySQL Queries for CBSE Class 12 Practical File with Output - Itxperts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itxperts.co.in\/blog\/20-mysql-queries-for-cbse-class-12-practical-file-with-output\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"20 MySQL Queries for CBSE Class 12 Practical File with Output - Itxperts\" \/>\n<meta property=\"og:description\" content=\"Introduction SQL (Structured Query Language) is a powerful tool for managing and querying data in relational databases. 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Here are 20 MySQL queries commonly used in CBSE Class 12 practicals, complete with their descriptions and outputs. 1. Create a Table Query OutputTable created successfully. 2. Insert Records into Table Query Output5 rows inserted. 3. 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