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  1. 15 wrz 2008 · From this link, we can understand IF THEN ELSE in T-SQL: IF EXISTS(SELECT * FROM Northwind.dbo.Customers WHERE CustomerId = 'ALFKI') PRINT 'Need to update Customer Record ALFKI' ELSE PRINT 'Need to add Customer Record ALFKI' IF EXISTS(SELECT * FROM Northwind.dbo.Customers WHERE CustomerId = 'LARSE') PRINT 'Need to update Customer Record LARSE ...

  2. 28 maj 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.

  3. 7 mar 2022 · In this article, we will explain how to use the CASE expression in SELECT SQL statements. We will also explain how to use an alternative approach with an IF clause for MySQL. Prerequisites. For the sake of simplicity, we will use a sample table called users with the following columns:

  4. 12 gru 2023 · Creating intricate and comprehensible SQL queries is made easier with Pypika, a robust and user-friendly Python package. In this blog article, we’ll go over the fundamentals of Pypika, examine a few typical use cases, and evaluate its features using concrete examples.

  5. 9 mar 2021 · This article demonstrates how to select rows of a MySQL table in Python. You’ll learn the following MySQL SELECT operations from Python using a ‘MySQL Connector Python’ module. Execute the SELECT query and process the result set returned by the query in Python. Use Python variables in a where clause of a SELECT query to pass dynamic values.

  6. 30 paź 2023 · Different methods to use SQL IF Statement in SELECT. Create Sample Table for Examples. 1. CASE Statement in SELECT. 2. CHOOSE Function. 3. IIF Function. 4. COALESCE Function. 5. Using WHERE Clause with OR/AND. Frequently Asked Questions (FAQs) Summary. Introduction.

  7. builtin.com › data-science › how-to-use-sql-pythonHow to Use SQL in Python

    21 maj 2024 · SQL can be used in Python by performing one of the following: Connecting your SQL database through Python ; Using the query() method in a Pandas DataFrame; Using SQL-like commands within a Pandas DataFrame

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