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  1. stackoverflow.com › questions › 5243596Python SQL query string formatting - Stack Overflow

    9 Μαρ 2011 · The solution is to build SQL statements using python's String Literal Concatenation (http://docs.python.org/), which could be qualified a somewhere between Option 2 and Option 4. Code Sample: sql = ("SELECT field1, field2, field3, field4 " "FROM table " "WHERE condition1=1 " "AND condition2=2;") Works as well with f-strings:

  2. nhsdigital.github.io › training_resources › pythonParametrising SQL queries using Python f-strings - GitHub Pages

    In this guide we're going to take a look at what are f-strings in Python and how to use them in conjuction with SQL queries to import data from e.g. SQL Server and assign it to a Pandas dataframe.

  3. www.geeksforgeeks.org › how-to-use-if-statement-in-mysql-using-pythonHow to Use IF Statement in MySQL Using Python - GeeksforGeeks

    3 Ιαν 2021 · Execute the following MySQL query: IF(condition, value_if_true, value_if_false) Example 1: In this example we are using this database table with the following query; Below is the implementation: Python3. # Establish connection to MySQL database. import mysql.connector. db = mysql.connector.connect(.

  4. www.baeldung.com › sql › select-conditional-logicHow to Execute an IF…THEN Logic in an SQL SELECT Statement -...

    28 Μαΐ 2024 · In this article, we explored different options for executing IF-THEN logic in a SQL SELECT statement. These options include using CASE, IIF(), and CHOOSE(). Furthermore, if we want a query that’s used in almost every dialect, we must choose the CASE statement.

  5. www.golinuxcloud.com › sql-if-statement-in-selectHow the Hell I use SQL IF Statement in SELECT [5 Methods] -...

    30 Οκτ 2023 · The SQL IF statement in SELECT queries is utilized to introduce conditional logic, allowing for more dynamic and flexible data retrieval. Essentially, it lets you specify conditions to dictate which data should be fetched or how it should be displayed.

  6. towardsdatascience.com › a-simple-approach-to-templated-sql-queries-in-pythonA Simple Approach To Templated SQL Queries In Python

    9 Απρ 2019 · COLUMN_STATS_TEMPLATE = ''' select {{ column_name | sqlsafe }} as column_name, count(*) as num_rows, count(distinct {{ column_name | sqlsafe }}) as num_unique, sum(case when {{ column_name | sqlsafe }} is null then 1 else 0 end) as num_nulls {% if default_value %}, sum(case when {{ column_name | sqlsafe }} = {{ default_value }} then 1 else 0 ...

  7. usercomp.com › news › 1080392Formatting SQL Output in Python: A Comprehensive Guide - UserComp

    19 Δεκ 2023 · In this comprehensive guide, we've covered the basics of formatting SQL output in Python, with examples and best practices for entry-level users. We've also covered advanced topics, such as formatting SQL output with the format () method, the f-string syntax, and the csv module.

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