Pergunta de entrevista da empresa Google

External tables. Can they have indexes

Respostas da entrevista

Sigiloso

16 de mai. de 2018

Actually you answered incorrectly. External tables in Oracle are read only and cannot have indexes built upon them. Their main use is a data source for more traditional Oracle table structures.

1

Sigiloso

11 de jun. de 2013

I said yes. Though I mentioned that I hadn't worked with external tables extensively