Merge branch 'main' into resolve-conflict

Author: daKeshra

data-manipulation/README.md

@@ -0,0 +1,36 @@
+CREATE TABLE IF NOT EXISTS Student_Audit_Log (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  student_id INT,
+  action VARCHAR(255) NOT NULL,
+  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+DROP TRIGGER IF EXISTS after_student_insert;
+DROP TRIGGER IF EXISTS after_student_update;
+DROP TRIGGER IF EXISTS after_student_delete;
+
+DELIMITER //
+CREATE TRIGGER after_student_insert
+    AFTER INSERT ON Student
+    FOR EACH ROW
+BEGIN
+    INSERT INTO Student_Audit_Log(student_id, action)
+    VALUES (NEW.id, 'INSERT');
+END//
+
+CREATE TRIGGER after_student_update
+    AFTER UPDATE ON Student
+    FOR EACH ROW
+BEGIN
+    INSERT INTO Student_Audit_Log(student_id, action)
+    VALUES (NEW.id, 'UPDATE');
+END//
+
+CREATE TRIGGER after_student_delete
+    AFTER DELETE ON Student
+    FOR EACH ROW
+BEGIN
+    INSERT INTO Student_Audit_Log(student_id, action)
+    VALUES (OLD.id, 'DELETE');
+END//
+DELIMITER ;