Computer Science - Database Systems - Discussion

Discussion Forum : Database Systems - Section 1 (Q.No. 23)
23.
The PROJECT command will create new table that has
more fields than the original table
more rows than the original table
both (a) and (b)
all the fields of master table
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.

Rishitha said:   2 years ago
The projection operator π is one of the unary operators in relational algebra (RA) and is used to project columns from a relation. It can select specific columns from a given relation and hide all the other columns.


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