Download import sqlite3

Working with Databases
There are many different databases that one can use e.g. MS
Access, Microsoft Sequel Server, MySQL. For our purposes, we
will use a lightweight database called SQLite3.
We can import the SQLite3 library as follows…
import sqlite3
We can now use the database.
Next, we use the inbuilt function connect() to open a
connection between our python program and the SQLite
database. Import the SQLite3 library as follows…
import sqlite3
MyDB =sqlite3.connect(‘NinjaTurtle.db’)
Note!! We have used a RELATIVE file path here.
This means the SQLite DB will be located in the same
folder as your Python Program
Note!! Name your database here…call it whatever you want!!!
If you want to go for ABSOLUTE file
path…then here is an example
MyDB =sqlite3.connect(‘N:\\Computing\\NinjaTurtle.db’)
Note!! Make sure you have no spaces in your file path!
Note!! Name your database here…call it whatever you want!!!
1. Sqlite library imported – ok
2. Connection to database – ok
3. Next, we need to create a cursor object (this will allow
us to work with and manipulate our database)
import sqlite3
MyDB = sqlite3.connect(‘N:\\MyDocuments...etc’)
c=MyDB.cursor()
Now we can create our first table of data!
We use DDL (Data Definition Language) to create a table in
SQlite.
import sqlite3
MyDB = sqlite3.connect(‘N:\\MyDocuments...etc’)
c=MyDB.cursor()
#create a table of students
c.execute('''CREATE TABLE Student
(StudentID text,
Firstname text,
Surname text,
DOB date,
FormGroup text)
''')
The standard DDL for creating a table in SQLite is:
#create a table example
c.execute('''CREATE TABLE NameOfTable
(Field Data type,
Field Data type,
Field Data type)
''')
Now, to insert data into our new table called Student
#insert data into our table
c.execute(''‘INSERT INTO Student
VALUES (‘001’,’Mary’,’Berry’,’1/1/1994’,’11W’)
‘’’)
Make sure you are inserting data in the right order and with an
appropriate data type.
Now you need to save changes using the COMMIT() function
and close using the close() function
#insert data into our table
c.execute(''‘INSERT INTO Student
VALUES (‘001’,’Mary’,’Berry’,’1/1/1994’,’11W’)’’’)
#Save changes using the commit() function
MyDB.commit()
#Close the database connection
MyDB.close()