Which two options describe how MySQL Server allocates memory?() A.Thread memory is pre-allocated up to thread_cache_size for performanceB.Each connection may have its own per-thread memory allocationsC.Global memory resources are allocated at server startupD.Each thread allocates memory from a global pool

题目内容（请给出正确答案）

Which two options describe how MySQL Server allocates memory?()

A.Thread memory is pre-allocated up to thread_cache_size for performance

B.Each connection may have its own per-thread memory allocations

C.Global memory resources are allocated at server startup

D.Each thread allocates memory from a global pool

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