Question : why avoid system tables?

it is encouraged to touch only system views? what is the problem envisioned if users query straight out of system tables?


Answer : why avoid system tables?

I believe, that you would divide 1 by the instruction clock, (in this case giving 250nS). therefore one instruction takes approx 250nS. then divide your required delay XmS by 250nS to give required number of instructions to complete the delay.
i.e for a 250mS delay you would require (0.250/0.00000025) 1 million instructions
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