Which of the following is used to denote the selection operation in relational algebra?a.Lambda (Greek)b.Sigma (Greek)c.Omega (Greek)d.Pi (Greek)
Question
Which of the following is used to denote the selection operation in relational algebra?a.Lambda (Greek)b.Sigma (Greek)c.Omega (Greek)d.Pi (Greek)
Solution
The selection operation in relational algebra is denoted by Sigma (Greek). So, the correct answer is b. Sigma (Greek).
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