What is a cursor object in Python?
People also ask, what is a cursor object?
In computer science, a database cursor is a control structure that enables traversal over the records in a database. Cursors facilitate subsequent processing in conjunction with the traversal, such as retrieval, addition and removal of database records. A cursor can be viewed as a pointer to one row in a set of rows.
Secondly, what is cursor in sqlite3? Introduction to Cursor in Android The basic purpose of a cursor is to point to a single row of the result fetched by the query. We load the row pointed by the cursor object. By using cursor we can save lot of ram and memory. When we call 'Movetonext' method it keeps going to the next row.
Similarly, you may ask, how do you use a cursor object in Python?
SQLite Python: Querying Data Next, create a Cursor object using the cursor method of the Connection object. Then, execute a SELECT statement. After that, call the fetchall() method of the cursor object to fetch the data. Finally, loop the cursor and process each row individually.
How do I connect SQLite to Python?
Python SQLite Connection
- Use the connect() method of a sqlite3 module and pass the database name as an argument.
- Create a cursor object using the connection object returned by the connect method to execute SQLite queries from Python.
- Close the Cursor object and SQLite database connection object when work is done.