saved changes

app.py

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+import streamlit as st
+
+st.title("SQLite3 Interactive Lesson")
+
+st.header("Welcome to the SQLite3 Tutorial")
+st.markdown("""
+### Objectives
+- Learn the basics of SQLite3.
+- Practice creating, modifying, and querying databases.
+- Integrate SQLite3 with Python.
+
+### Instructions
+Navigate through the pages in the sidebar to complete each interactive task:
+1. Create a Database and Tables.
+2. Insert Data.
+3. Query Data.
+4. Update Data.
+5. Delete Data.
+""")

pages/Task1_Create_Database_and_Tables.py

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+import streamlit as st
+import sqlite3
+
+st.title("Task 1: Create a Database and Tables")
+
+db_name = st.text_input("Enter database name:", "example.db")
+table_name = st.text_input("Enter table name:", "students")
+columns = st.text_area("Define columns (e.g., id INTEGER PRIMARY KEY, name TEXT):")
+
+if st.button("Create Database and Table"):
+    try:
+        conn = sqlite3.connect(db_name)
+        cursor = conn.cursor()
+        cursor.execute(f"CREATE TABLE IF NOT EXISTS {table_name} ({columns})")
+        conn.commit()
+        st.success(f"Table '{table_name}' created in database '{db_name}'.")
+    except Exception as e:
+        st.error(f"Error: {e}")
+    finally:
+        conn.close()

pages/Task2_Inser_Data.py

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+import streamlit as st
+import sqlite3
+
+st.title("Task 2: Insert Data")
+
+db_name = st.text_input("Enter database name:", "example.db")
+table_name = st.text_input("Enter table name:", "students")
+data = st.text_area("Enter data (e.g., 1, 'John Doe'):")
+
+if st.button("Insert Data"):
+    try:
+        conn = sqlite3.connect(db_name)
+        cursor = conn.cursor()
+        cursor.execute(f"INSERT INTO {table_name} VALUES ({data})")
+        conn.commit()
+        st.success("Data inserted successfully!")
+    except Exception as e:
+        st.error(f"Error: {e}")
+    finally:
+        conn.close()

pages/Task3_Query_data.py

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+import streamlit as st
+import sqlite3
+import pandas as pd
+
+st.title("Task 3: Query Data")
+
+db_name = st.text_input("Enter database name:", "example.db")
+query = st.text_area("Enter SQL query (e.g., SELECT * FROM students):")
+
+if st.button("Execute Query"):
+    try:
+        conn = sqlite3.connect(db_name)
+        result = pd.read_sql_query(query, conn)
+        st.write(result)
+    except Exception as e:
+        st.error(f"Error: {e}")
+    finally:
+        conn.close()

pages/Task4_Update.Data.py

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+import streamlit as st
+import sqlite3
+
+st.title("Task 4: Update Data")
+
+db_name = st.text_input("Enter database name:", "example.db")
+update_query = st.text_area("Enter SQL update query (e.g., UPDATE students SET name='Jane Doe' WHERE id=1):")
+
+if st.button("Update Data"):
+    try:
+        conn = sqlite3.connect(db_name)
+        cursor = conn.cursor()
+        cursor.execute(update_query)
+        conn.commit()
+        st.success("Data updated successfully!")
+    except Exception as e:
+        st.error(f"Error: {e}")
+    finally:
+        conn.close()

pages/Task5_Delete_Data.py

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+import streamlit as st
+import sqlite3
+
+st.title("Task 5: Delete Data")
+
+db_name = st.text_input("Enter database name:", "example.db")
+delete_query = st.text_area("Enter SQL delete query (e.g., DELETE FROM students WHERE id=1):")
+
+if st.button("Delete Data"):
+    try:
+        conn = sqlite3.connect(db_name)
+        cursor = conn.cursor()
+        cursor.execute(delete_query)
+        conn.commit()
+        rows_affected = cursor.rowcount
+        if rows_affected == 0:
+            st.warning("No data deleted. Please check your query.")
+        else:
+            st.success("Data deleted successfully!")
+    except Exception as e:
+        st.error(f"Error: {e}")
+    finally:
+        conn.close()

requirements.txt

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+streamlit