Fading Coder

One Final Commit for the Last Sprint

Methods for Checking Object Existence in SQL Server

1. Check if a Database Exists IF EXISTS (SELECT 1 FROM sys.databases WHERE name = 'TargetDatabase') DROP DATABASE TargetDatabase; 2. Check if a Table Exists IF OBJECT_ID(N'dbo.TargetTable', N'U') IS NOT NULL DROP TABLE dbo.TargetTable; 3. Check if a Stored Procedure Exists IF OBJECT_ID(N'dbo.TargetP...

Essential MySQL Query Operators and Techniques

IN and NOT IN Operators Use the IN operator to filter records matching any value in a specified list. Conversely, NOT IN excludes records matching values in the list. Retrieve records where supplier_id is 101 or 102: SELECT supplier_id, supplier_name FROM products WHERE supplier_id IN (101, 102); Re...