Introduction to SQL
In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:

all columns of the table are to be returned.
None of these
all records meeting the full criteria are to be returned.
all records with even partial criteria met are to be returned.

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Introduction to SQL
What is a view?

A view is a special stored procedure executed when certain event occurs.
None of these
A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.
A view is a database diagram.

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