# dbt > A tool to model transformations in data warehouses. > More information: . - Debug the dbt project and the connection to the database: `dbt debug` - Run all models of the project: `dbt run` - Run all tests of `example_model`: `dbt test --select example_model` - Build (load seeds, run models, snapshots, and tests associated with) `example_model` and its downstream dependents: `dbt build --select example_model+` - Build all models, except the ones with the tag `not_now`: `dbt build --exclude "tag:not_now"` - Build all models with tags `one` and `two`: `dbt build --select "tag:one,tag:two"` - Build all models with tags `one` or `two`: `dbt build --select "tag:one tag:two"`