ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?

ืœืขืฆื˜ื ืก, ืžื™ื˜ ืขื˜ืœืขื›ืข ื™ื‘ืขืจืจืึทืฉืŸ, ืื™ืš ื’ืขืœืขืจื ื˜ ืึทื– ืื™ืŸ ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ื“ื™ืคึผืึทืจื˜ืžืึทื ืฅ ืคื•ืŸ ื“ื™ ืจื™ื–ื™ืง ืคื™ืจืžืข ื•ื•ื• ืื™ืš ืึทืจื‘ืขื˜, ื“ื™ ืงืึทื˜ืขืจ ืคื•ืŸ SQL Profiler ืื™ืŸ ื’ืขืฉืขืคื˜ ืฉืขื”.

ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?

ืื™ืš ื˜ืึธืŸ ื ื™ื˜ ื•ื•ื™ืกืŸ ื•ื•ื™ ื–ื™ื™ ื‘ืึทืงื•ืžืขืŸ ืื•ื™ืก ืฆื• ืคื•ื ืึทื ื“ืขืจืงืœื™ื™ึทื‘ืŸ ืคืึธืจืฉื˜ืขืœื•ื ื’ ืคึผืจืึธื‘ืœืขืžืก ื•ื•ืึธืก ืคืึทืœืŸ ื ืึธืจ ืื™ืŸ ื’ืขืฉืขืคื˜ ืฉืขื”. ื ืึธืš ืึทืœืข, ืคืึธืจืฉื˜ืขืœื•ื ื’ ืงื•ืงืŸ ืึธืคื˜ ื˜ืึธืŸ ื ื™ื˜ ื’ืขื‘ืŸ ืึท ืคึผื™ื ื˜ืœืขืš ื‘ื™ืœื“, ืกืคึผืขืฆื™ืขืœ ืื•ื™ื‘ ืื™ื™ื ืขืจ / ืฆื•ื•ื™ื™ ืคึผืจืึธื•ืกื™ื“ื–ืฉืขืจื– / ืงื•ื•ื™ืจื™ื– ืคึผืึทืžืขืœืขืš ืึทืจืึธืคึผ, ืึธืŸ ืกืคึผืขืฆื™ืขืœ ืœืึธื•ื“ื™ื ื’ ื“ื™ ืกืขืจื•ื•ืขืจ ื–ื™ืš. ืงืœื™ื™ื ื˜ืฉื™ืง ืงื•ื•ื™ืขืจ ื•ื•ืึธืก ืœื•ื™ืคื˜ ืขื˜ืœืขื›ืข ืžืึธืœ ืึท ืฉืขื” ืื•ืŸ ืœื•ื™ืคื˜ ืคึฟืึทืจ 10 ืกืขืงื•ื ื“ืขืก ืึทื ืฉื˜ืึธื˜ ืคื•ืŸ ืื™ื™ืŸ (ืึธื‘ืขืจ ื˜ื•ื˜ ื–ื™ื™ืขืจ ื•ื•ื™ื›ื˜ื™ื’ ืงืœื™ืขื ื˜ ื–ื™ื™ืขืจ ื ืขืจื•ื•ืขื–) ื•ื•ืขื˜ ื‘ืืฉื˜ื™ืžื˜ ื ื™ื˜ ื‘ืึทืงื•ืžืขืŸ ืื™ืŸ DMV ืงื•ืงืŸ. ืื•ืŸ ืกืขืœืขืงื˜ื™ืจืŸ ืžื™ื˜ CROSS APPLY ืœื•ื™ื˜ ื“ื™ ื˜ืขืงืกื˜ืŸ ืคื•ืŸ ื“ื™ ืึธื ืคึฟืจืขื’ ื–ื™ืš ืœืึธื•ื“ื– ื“ื™ ืกืขืจื•ื•ืขืจ ื–ื™ื™ืขืจ ื’ืขื–ื•ื ื˜.

ืึธื‘ืขืจ, ืื™ืš ื‘ื™ืŸ ืื™ื ื˜ืขืจืขืกื™ืจื˜ ืฆื• ืคึฟืึทืจืฉื˜ื™ื™ืŸ ื•ื•ื• ื“ื™ ืžื•ืจื ืงื•ืžื˜ ืคื•ืŸ. ืื™ืŸ ืขื˜ืœืขื›ืข ืคื™ืจืžืก SQL Profiler - ืึท ืึทืจื‘ืขื˜ ื’ืขืฆื™ื™ึทื’, ืื™ืŸ ืขื˜ืœืขื›ืข ื–ื™ื™ ื–ืขื ืขืŸ ื“ืขืจืฉืจืึธืงืŸ ืคื•ืŸ ืื™ื, ื•ื•ื™ ืคื™ื™ึทืขืจ (ืคึฟืึทืจ ืขื˜ืœืขื›ืข ืžืึธืœ ืื™ืš ืื™ื– ื’ืขื•ื•ืขืŸ ืคืึทืจืงื ืึทืกื˜ ืื™ืŸ ืงืึทื ืกืึทืœื˜ื™ื ื’ ืื•ืŸ ืงืขืŸ ืคืึทืจื’ืœื™ื™ึทื›ืŸ). ืื™ืš ื‘ื™ืŸ ื’ืึทื ืฅ ื–ื™ื›ืขืจ ืึทื– ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ื•ื•ื™ ื“ืึธืก:

ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?
ื”ืึธื•ืกื˜ืึธืŸ, ืžื™ืจ ื”ืึธื‘ืŸ ืึท ืคึผืจืึธื‘ืœืขื. ื“ื™ ื‘ืึทื–ืข ืกืœืึธื•ื– ืึทืจืึธืคึผ. ืจืขื›ืขื ืขืŸ ืขืก ืื•ื™ืก

ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?

ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?
ืขืก ื–ืขื ืขืŸ ืึทื–ื•ื™ ืคื™ืœืข ื˜ื™ืงืก ื“ืึธ ... ื•ื•ืึธืก ื˜ืึธืŸ ืื™ืš ื“ืึทืจืคึฟืŸ?

ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?
ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?
ืึธื•ืงื™ื™, ืื™ืš ื•ื•ืขื˜ ื˜ื™ืงืขืŸ ืึทืœืข ื“ื™ ื‘ืึธืงืกืขืก ืื•ืŸ ื“ืขืžืึธืœื˜ ืื™ืš ื•ื•ืขื˜ ื‘ืึทืฉืœื™ืกืŸ.

ืื™ื– SQL ืคึผืจืึธืคื™ืœืขืจ ื’ืขืคืขืจืœืขืš?

ื•ื•ืึธืก ื‘ืœื™ื™ื‘ื˜ ืื™ืŸ ื“ื™ ืงืึธืคึผ ืคื•ืŸ ื“ื™ ื”ื•ื™ืš ืื•ื™ื˜ืืจื™ื˜ืขื˜ืŸ? ืขืžืขืฆืขืจ ืœืึธื ื˜ืฉื˜ SQL Profiler ืื•ืŸ ืึทืœืฅ ืื™ื– ื’ืขืคึฟืึทืœืŸ ืื™ืŸ ืคึผืœืึทืฅ. ืื•ืŸ ื“ืขืžืึธืœื˜ ื–ื™ื™ ื–ืึธื’ืŸ ืขืก ืฆื• ื™ืขื“ืขืจ ืื ื“ืขืจืขืจ ืื™ื‘ืขืจ ืึท ืฉืคึผื™ืœ ืคื•ืŸ ื’ืึธืœืฃ.

ืื’ื‘, ื“ืขืจ ืคึผืจื•ื•ื•ืŸ ืฆื• ืฉืจื™ื™ึทื‘ืŸ ืึทื–ืึท 'ืžื™ืจ ืฉืจื™ื™ึทื‘ืŸ ืึทืœืฅ' ื˜ืจืึทืกืขืก ื ื™ืฉื˜ ืฆื• ืึท ื˜ืขืงืข, ืึธื‘ืขืจ ืฆื• ื“ื™ ื“ืึทื˜ืึทื‘ื™ื™ืก ืื•ื™ืฃ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืกืขืจื•ื•ืขืจ - ืื™ืš ืึทืžืึธืœ ื•ื•ื™ื˜ื ืึทืกื˜ ืึทื–ืึท ืึท ืคืึทืœ.

ืื•ืŸ ื•ื•ื™ ื’ื™ื™ื˜ ืขืก ืžื™ื˜ ื“ื™ืจ? ื‘ื™ื˜ืข ื ืขืžืขืŸ ืึธื ื˜ื™ื™ืœ ืื™ืŸ ื“ืขืจ ื™ื‘ืขืจื‘ืœื™ืง

ื‘ืœื•ื™ื– ืจืขื’ื™ืกื˜ืจื™ืจื˜ ื ื™ืฆืขืจืก ืงืขื ืขืŸ ืึธื ื˜ื™ื™ืœ ื ืขืžืขืŸ ืื™ืŸ ื“ื™ ื™ื‘ืขืจื‘ืœื™ืง. ืกื™ื™ืŸ ืืจื™ื™ืŸื‘ื™ื˜ืข.

ืงืขื ืขืŸ ืื™ืจ ืœื•ื™ืคืŸ SQL Profiler ืื•ื™ืฃ PROD?

  • ืžื™ืจ ื–ืขื ืขืŸ ืึท ืงืœื™ื™ืŸ ืคื™ืจืžืข, ืึทืœืฅ ืื™ื– ืคึผืฉื•ื˜ ืคึฟืึทืจ ืื•ื ื“ื–

  • ืคึผืจืึธื“ื•ืงืฆื™ืข ืึทื“ืžื™ืŸ ืงืขื ืขืŸ ื“ืึธืš

  • ืคึผืจืึธื“ื•ืงืฆื™ืข ืึทื“ืžื™ืŸ ืงืขื ืขืŸ, ื ืึธืš ืึทืคึผืจื•ื•ื•ื™ื ื’ ืื•ืŸ ื‘ื™ื˜ื™ื ื’

  • ื”ื™ื™ืœื™ืง ื”ื™ื™ืœื™ืง ื”ื™ื™ืœื™ืง

4 ื‘ืื ื•ืฆืขืจ ื”ืื‘ืŸ ื’ืขืฉื˜ื™ืžื˜. 3 ื‘ืื ื•ืฆืขืจ ื”ืื‘ืŸ ื–ื™ืš ืืคื’ืขื”ืืœื˜ืŸ.

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’