When does a DECLARE block become mandatory?

When does a DECLARE block become mandatory?

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, pl-sql, topic-specific, oracle, database

参考答案摘要

This statement is used by anonymous blocks of PL/SQL such as non-stored and stand-alone procedures. When they are being used, the statement should come first in the stand-alone file.

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