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Navigation: Invantive SQL > Language

Service Providers

A number of special connections are always made, each of which can occur at most once. These are the 'service providers' such as:

'datadictionary': metadata of the current database, such as list of tables and executed SQL statements performance.

'os': information on the operating system running the SQL engine, such as reading file contents.

'smtp': synchronously send mails through SMTP.