Temporary tables are an essential part of SQL Server. SQL Server will sometimes create them during query execution to store working tables and intermediate result sets. At other times, they are created by developers.
In this chapter, we will discuss a few different types of temporary tables that can be created by users: local and global temporary tables, table variables, user-defined table types, and table-valued parameters.
We create temporary tables to store short-term information, such as intermediate results and temporary data during data processing. Temporary tables live in tempdb, and they behave ...