How can a "where in" query be executed using the MariaDB Python Connector?

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A "where in" query can be executed using the MariaDB Python Connector by using the following steps:

1. Import the mariadb connector in your Python program:

   import mariadb
   

2. Connect to your MariaDB/MySQL server:

   conn = mariadb.connect(
      user="username",
      password="password",
      host="localhost",
      database="databasename"
   )
   

3. Create a cursor object:

   cur = conn.cursor()
   

4. Write the "where in" query by passing a tuple of values to the execute() method:

   values = ("value1", "value2", "value3")
   cur.execute("SELECT * FROM table WHERE column_name IN (%s,%s,%s)", values)
   

   Note that the %s placeholders in the query string are replaced with the values from the tuple.

5. You can then fetch the results using the fetchall() method:

   results = cur.fetchall()
   for row in results:
      print(row)
   

6. Finally, close the cursor and connection objects:

   cur.close()
   conn.close()
   

   Here is the complete code:

   import mariadb
   
   conn = mariadb.connect(
      user="username",
      password="password",
      host="localhost",
      database="databasename"
   )
   
   cur = conn.cursor()
   
   values = ("value1", "value2", "value3")
   cur.execute("SELECT * FROM table WHERE column_name IN (%s,%s,%s)", values)
   
   results = cur.fetchall()
   for row in results:
      print(row)
   
   cur.close()
   conn.close()