Criar um data warehouse usando as funções JOIN e UNION avaliações

Nicolas P. · Revisado há about 3 years

Donato R. · Revisado há about 3 years

Priyadharshini K. · Revisado há about 3 years

Ramprabhu N. · Revisado há about 3 years

Herni K. · Revisado há about 3 years

The 'check my progress' buttons are too prescriptive. If you write your own queries (which helps to learn better), you fail the check my progress task, even if you get the same results.

Christopher L. · Revisado há about 3 years

Shakib Rahat C. · Revisado há about 3 years

Raisa A. · Revisado há about 3 years

SOURAV B. · Revisado há about 3 years

MEDIKONDA H. · Revisado há about 3 years

Task 7 says UNION removes duplicates, but it only seemed to work with UNION DISTINCT or UNION ALL, not just UNION

Cristian S. · Revisado há about 3 years

Alben S. · Revisado há about 3 years

Prasad J. · Revisado há about 3 years

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Pranjal L. · Revisado há about 3 years