Converting NULL to Datetime in SQL Server: Understanding the Difference Between Char(0) and NULL

Retrieving Second-Last Record in Date Column Using Row Numbers

Understanding the Best Practices for Concatenating Strings in SQL

Finding Databases Without Recent Backups in Microsoft SQL Server

How to Use SQL LEAD and LAG Window Functions to Solve Gaps-and-Islands Problems

Understanding Permissions and Ownership Chaining in Stored Procedures: Why Explicit Permissions Are Necessary for Secure Access to External Database Objects

Creating Permutations of a Column Based on the Same Value in SQL Using Derived Tables and Recursive CTEs

Safely Injecting Parameters in SQL Server Stored Procedures

Dividing a Column into Multiple Ranges Using Conditional Aggregation in SQL

Handling Date and Time Conversion Errors in SQL Server