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Effect of Anonymous Columns
Now, recall that a VALUES expression denotes a table with undefined column names. If an initial value is to be specified when a base table is created, column definitions have to be implied by that initial value, so the question arises, how can a VALUES expression provide the initial value for a base table? The answer is that you have to learn an extra syntactic construct for that purpose, shown in Example.
Example: Specifying an initial value for a base table.
CREATE TABLE ENROLMENT (StudentId, Name, CourseId)
AS (VALUES (SID ('S1'), 'Anne', CID ('C1')),
(SID ('S2'), 'Boris', CID ('C1')))
WITH DATA;
Explanation:
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