What are the unary operations in Relational Algebra in context to SQL.

What are the unary operations in Relational Algebra in context to SQL.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, dxc, company-specific

目标公司: DXC Technology

参考答案摘要

In Relational Algebra, one operand operations are known as unary operations. The procedures PROJECTION, SELECTION, and RENAME are unary operations in relational algebra: The SELECT operation: The SELE...

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