Hierarchical structures, also referred to as trees, are structures that have hierarchical dependencies between their members. A common example of such a structure is an organizational chart describing the relationships between the employees in a company, where a manager is in charge of certain employees, each of whom might be in charge of other employees. Another example is a parts explosion, where parts are made of other parts, which might also be made of other parts.
KeywordsNest Loop Execution Plan Query Processor Temporary Table Problematic Question
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