What is the most efficient way to get the number of rows in a table with psycog2?

To get the number of rows in a table with psy cop g 2 , you can use the ` row count ` method of the cursor object . Here ' s an example : \n `` ` python \n import psy cop g 2 \n \n # Connect to the database \n conn = psy cop g 2 . connect ( \n host =" localhost ", \n database =" my database ", \n user =" my user ", \n password =" m yp ass word " \n ) \n \n # Create a cursor object \n cur = conn . cursor () \n \n # Ex ecute a SE LECT statement to get the number of rows in a table \n cur . execute (" SELECT CO UNT ( *) FROM my table ") \n \n # F etch the result and print it \n result = cur . fetch one () \n print ( result [ 0 ]) \n \n # Close the cursor and connection \n cur . close () \n conn . close () \n `` ` \n In this example , replace ` my database `, ` my user `, ` m yp ass word `, and ` my table ` with the appropriate values for your database . The ` SELECT CO UNT ( *) ` statement will return the number of rows in the table . </s>