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+# P4 - PL/SQL block
+
+**Problem Statement:**
+Write a PL/SQL block for following requirements and handle the exceptions. Roll no. of students will be entered by the user. Attendance of roll no. entered by user will be checked in the Stud table. If attendance is less than 75% then display the message “Term not granted” and set the status in stud table as “Detained”. Otherwise display message “Term granted” and set the status in stud table as “Not Detained”. Student (Roll, Name, Attendance, Status)
+
+---
+
+## Creating table
+
+```sql
+CREATE TABLE Student(
+    Roll NUMBER(14),
+    Name VARCHAR(255),
+    Attendance NUMBER(14),
+    Status VARCHAR(255)
+);
+
+```
+
+## Inserting data
+
+```sql
+INSERT INTO Student VALUES (1, 'Tanmay', 76, 'Not Yet Reviewed');
+INSERT INTO Student VALUES (2, 'Rajesh', 80, 'Not Yet Reviewed');
+INSERT INTO Student VALUES (3, 'Tejas', 88, 'Not Yet Reviewed');
+INSERT INTO Student VALUES (4, 'Machkar', 35, 'Not Yet Reviewed');
+INSERT INTO Student VALUES (5, 'Jayashree', 74, 'Not Yet Reviewed');
+
+```
+
+## Procedure
+
+```sql
+DECLARE
+    p_att Student.Attendance%type;
+    p_roll Student.Roll%type;
+    nodata EXCEPTION;
+BEGIN
+    p_roll := &p_roll;
+
+    IF (p_roll < 0) THEN
+        raise nodata;
+    END IF;
+
+    SELECT Attendance INTO p_att FROM Student WHERE Roll = p_roll;
+
+    IF (p_att < 75) THEN
+        DBMS_OUTPUT.PUT_LINE('Term not granted!');
+        UPDATE Student SET Status = 'Detained' WHERE Roll = p_roll;
+    ELSIF (p_att >= 75) THEN
+        DBMS_OUTPUT.PUT_LINE('Term granted!');
+        UPDATE Student SET Status = 'Not Detained' WHERE Roll = p_roll;
+    END IF;
+EXCEPTION
+    WHEN nodata THEN
+        DBMS_OUTPUT.PUT_LINE('Enter valid rollno!!');
+END;
+/
+
+```
+
+<details>
+  <summary>Output</summary>
+  After entering every Roll no:
+  ROLL	NAME	  ATTENDANCE	STATUS<br>
+  1	Tanmay	  76		Not Detained<br>
+  2	Rajesh	  80		Not Detained<br>
+  3	Tejas	  88		Not Detained<br>
+  4	Machkar	  35		Detained<br>
+  5	Jayashree 74		Detained<br>
+</details>
+
+---