Changing the Data Type from Text to Date in a Column

Understanding Unicode Collation: A Key to Resolving Entity Framework 6's Unique Constraint Issues in Databases

Manual Calculation of NTILE in BigQuery: Addressing Unequal Distribution of Customers Across Deciles

Extracting Start Dates and Times from a DateTime Range in SQL Server

Finding Top 2 Customers by Maximum Amount of Transaction in Oracle DB: A Comprehensive Guide

Handling Aggregate Functions in Case Statements with Date Columns: A Solution Using Conditional Aggregation

Optimizing Derived-Subquery Performance: Pulling Distinct Records into a Group Concat()

Understanding SSIS Bulk Insert Tasks: A Deep Dive into Challenges and Solutions for Efficient Data Integration

Optimizing Query Performance: Using CTE with ROW_NUMBER() to Select First Row

Why SUM() and COUNT() Return Different Values?