In which system database are SQL Server Agent jobs and their information stored?

SQL Server Agent jobs and their associated information are stored in the msdb database. The msdb database is a system database that plays a central role in managing various SQL Server tasks, including job scheduling and alerts. It contains tables that store details about job definitions, schedules, and execution history, which are crucial for automating administrative tasks and maintaining the SQL Server environment effectively.

The master database, while essential, is primarily responsible for keeping the server's configuration settings and metadata about all databases and their objects. The model database serves as a template for new databases created on the server. The tempdb database is used for temporary storage, such as holding temporary tables or internal SQL Server operations, and is not intended for long-term data retention. This is why msdb is the correct choice for where SQL Server Agent jobs are housed.