Database DELETE Operation in Python

DELETE operation is required when you want to delete some records from your database. Following is the procedure to delete all the records from EMPLOYEE where AGE is more than 20 −

Example

#!/usr/bin/python
import MySQLdb
# Open database connection
db = MySQLdb.connect("localhost","testuser","test123","TESTDB" )
# prepare a cursor object using cursor() method
cursor = db.cursor()
# Prepare SQL query to DELETE required records
sql = "DELETE FROM EMPLOYEE WHERE AGE > '%d'" % (20)
try:
   # Execute the SQL command
   cursor.execute(sql)
   # Commit your changes in the database
   db.commit()
except:
   # Rollback in case there is any error
   db.rollback()
# disconnect from server
db.close()

Mohd Mohtashim

Published on 31-Jan-2020 10:00:42

• Related Questions & Answers
• Database DELETE Operation in Perl
• Database INSERT Operation in Python
• Database READ Operation in Python
• Database Update Operation in Python
• Database INSERT Operation in Perl
• Database READ Operation in Perl
• Database UPDATE Operation in Perl
• Binary Search Tree - Delete Operation in C++
• Using NULL Values in Perl Database Operation
• Python set operation.
• Fire trigger after the DELETE operation is executed in MySQL
• How can you delete a table from a database in MySQL Python?
• How to delete everything in a MongoDB database?
• Tuple XOR operation in Python
• How to delete a table from MongoDB database?