Feb 18, 2019 · Is there a way to add SQL queries in a For Loop in python where the table names and database names are variable? Something like this: database = [] tables= [] column = [] for x in database: ...

Jul 28, 2012 · This could be made even simpler by creating the tuple in the for loop: for x in (Sql, Sql_2, Sql_3): .... –

Sep 19, 2017 · According to the PyMySQL docs, the cursor.execute() function returns an int, which is why your error is showing up. You'll want to call that, then use one of the fetch functions to actually return the results. db='mydb', charset='utf8mb4', cursorclass=pymysql.cursors.DictCursor) var = select_query + x. # print(var) cursor.execute(var)

Feb 12, 2021 · Splitting a query into multiple smaller queries can help with performance. With Python, we can dynamically loop through each query.

Mar 9, 2021 · Python cursor class methods fetchall, fetchmany(), fetchone() to retrieve rows from a database table to read SQLite, MySQL, PostgreSQL and relational database table

Learn how to iterate over rows in a MySQL table using Python. This tutorial covers connecting to the database, executing a SELECT query, and using a loop to print each record.

Aug 29, 2016 · I need to perform SQL query which will get products from database based on few dimensions which I will pass in URL. import itertools sql_where = '' dimensions = ['a','b', 'c', 'd', 'e', 'f', 'f2'...

Sep 1, 2022 · Here is the basic syntax of the LOOP statement: statement_list. The LOOP can have optional labels at the beginning and end of the block. The LOOP executes the statement_list repeatedly. The statement_list may have one or more statements, each terminated by a semicolon (;) statement delimiter.

Sep 21, 2022 · Using Python and SQL in conjunction can lead to more powerful, efficient and legible scripts. One of the most obvious ways Python can help boost your SQL is by incorporating a query string...

Mar 25, 2022 · In this tutorial, we covered the basics of iteration in Python: while loops, for loops, nested loops and their inherent operators break and continue. With this knowledge we can proceed to building more complex scripts and solutions.