Here are some strategies to optimize SQL queries involving NULL values: 1. Proper Indexing: Indexes might not be used efficiently for columns with many NULL values. 2. Use IS NULL and IS NOT NULL ...

In procedures and views with complex joins and processing, inefficient SQL can cause exponential performance degradation. Using IS NOT NULL in a WHERE clause can negatively impact performance. It ...

Secondly, you must grasp the impact of NULL on various SQL operations. Comparisons involving NULL generally return NULL, necessitating the use of special operators like IS NULL and IS NOT NULL.

If you are using previous versions of SQL Server you need to execute the following code to drop the database. IF DB_ID('appuals') IS NOT NULL BEGIN DROP DATABASE appuals END The output will be as ...