Introduction to SQL
Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return

less than 10 rows
None of these
exactly 10 rows
more than 10 rows

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

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

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