练习

Updatable views

In a previous exercise, we've used the information_schema.views to get all the views in a database. If you take a closer look at this table, you will notice a column that indicates whether the view is updatable.

Which views are updatable?

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50 XP

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long_reviews and top_25_2017

top_25_2017

long_reviews

top_25_2017 and artist_title

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说明

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练习