SQL Server Temp table and temp Variable

SQL Server Temp table and temp Variable

https://learn.microsoft.com/en-us/answers/questions/619200/temporary-table-vs-table-veriable.html

REname columns (Database Engine)

https://learn.microsoft.com/en-us/sql/relational-databases/tables/rename-columns-database-engine?view=sql-server-ver16


SQL Server Charge

https://www.microsoft.com/en-in/sql-server/sql-server-2019-pricing

Additionally,

Please also read Certification's Related article

https://learn.microsoft.com/en-us/certifications/mcsa-sql-certification/

https://trainingsupport.microsoft.com/en-us/mcp/forum/all/which-certification-to-go-for-as-a-sql-dba-in-2021/e2275332-8175-4e35-8b89-a0ef0ed7e501

https://trainingsupport.microsoft.com/en-us/mcp/forum/all/latest-certifications-for-sql-server-dbas/b431eaac-bd88-429c-933e-eae90d9ad92f