└── README.md


/README.md:
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 1 | # database-driver
 2 | import sqlite3
 3 | 
 4 | class DatabaseDriver:
 5 |     def __init__(self, db_name="database.db"):
 6 |         self.db_name = db_name
 7 |         self.connection = None
 8 |         self.cursor = None
 9 |         self.connect()
10 | 
11 |     def connect(self):
12 |         """Establish a connection to the database."""
13 |         self.connection = sqlite3.connect(self.db_name)
14 |         self.cursor = self.connection.cursor()
15 |         print("Connected to database")
16 |     
17 |     def create_table(self, table_name, columns):
18 |         """Create a table with specified columns."""
19 |         columns_definition = ", ".join([f"{col} {dtype}" for col, dtype in columns.items()])
20 |         query = f"CREATE TABLE IF NOT EXISTS {table_name} ({columns_definition})"
21 |         self.cursor.execute(query)
22 |         self.connection.commit()
23 |         print(f"Table '{table_name}' created or already exists.")
24 |     
25 |     def insert_data(self, table_name, data):
26 |         """Insert data into the specified table."""
27 |         placeholders = ", ".join(["?" for _ in data])
28 |         query = f"INSERT INTO {table_name} VALUES ({placeholders})"
29 |         self.cursor.execute(query, tuple(data))
30 |         self.connection.commit()
31 |         print("Data inserted successfully.")
32 |     
33 |     def fetch_data(self, table_name):
34 |         """Fetch all data from the specified table."""
35 |         query = f"SELECT * FROM {table_name}"
36 |         self.cursor.execute(query)
37 |         return self.cursor.fetchall()
38 |     
39 |     def close(self):
40 |         """Close the database connection."""
41 |         if self.connection:
42 |             self.connection.close()
43 |             print("Database connection closed.")
44 | 
45 | # Example usage
46 | def main():
47 |     db = DatabaseDriver()
48 |     db.create_table("users", {"id": "INTEGER PRIMARY KEY", "name": "TEXT", "age": "INTEGER"})
49 |     db.insert_data("users", (1, "Alice", 25))
50 |     db.insert_data("users", (2, "Bob", 30))
51 |     users = db.fetch_data("users")
52 |     print("Users:", users)
53 |     db.close()
54 | 
55 | if __name__ == "__main__":
56 |     main()
57 | 67889
58 | 


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