Boost your SQL interview readiness with these 35 carefully selected SQL Interview Questions and Answers. Includes real-world ...

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New issue New issue Closed #4627 Closed PL/SQL supports pseudo column LEVEL in hierarchical queries #4620 #4627 Assignees ...

I have a large database of documents. Among the fields in each document are:<BR><BR>DocID (unique key)<BR>Relevant (one of five values)<BR>Topic (zero to all of twelve values - shown to me as a single ...