What Is Cursor In Python

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Cursor in sql

Cursor In SQL

A cursor is a structure that allows us to traverse a result set When you have a result set loaded into a cursor you can usually go forward and backward in the results Cursors help improve performance by not requiring us to fetch all the rows in a result set at once Instead we can ask for rows in small groups or one by one Updated on: March 9, 2021 | 23 Comments. This article demonstrates the use of Python’s cursor class methods fetchall(), fetchmany(), and fetchone() to retrieve rows from a database table. This article applies to all the relational databases, for example, SQLite, MySQL, PostgreSQL. Also Read:

Intellij idea how to get rid of blinking cursor box in python

Intellij Idea How To Get Rid Of Blinking Cursor Box In Python

What Is Cursor In PythonWhen you look here at the mysqldb documentation you can see that they implemented different strategies for cursors. So the general answer is: it depends. Edit: Here is the mysqldb API documentation. There is some info how each cursor type is behaving. The standard cursor is storing the result set in the client. In computer science and technology 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