Question: The SQL command SELECT... Select one: . . . reads data from a database, but does not change its contents. . . . contains optional

The SQL command SELECT...

Select one:

. . .

reads data from a database, but does not change its contents.

. . .

contains optional elements, such as FROM, and mandatory elements, such as WHERE.

.

cannot be used if you want to output the entire contents of a table. returns either one or more virtual tables, depending on how many tables are requested.

The SQL command SELECT... Select one: ... reads data from a

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