ืžื“ื•ืข ืœื•ืงื— ืžืกืคืจ ื™ืžื™ื ื›ื“ื™ ืœื‘ื˜ืœ ืืช ื”ืžื ื•ื™ ืžืจืฉื™ืžืช ื”ืชืคื•ืฆื”?

ืฆื™ื•ืฅ ืื—ื“ ืฉืืœ ืžื“ื•ืข ื‘ื™ื˜ื•ืœ ื”ืžื ื•ื™ ื™ื›ื•ืœ "ืœืงื—ืช ื™ืžื™ื". ืชื—ื’ืจื™ ื—ื–ืง, ืื ื™ ืขื•ืžื“ ืœืกืคืจ ืœืš ืžื“ื”ื™ื ื”ืกื™ืคื•ืจ ืฉืœ ืื™ืš ื–ื” ื ืขืฉื” ื‘-Enterprise Developmentโ„ข...

ืžื“ื•ืข ืœื•ืงื— ืžืกืคืจ ื™ืžื™ื ื›ื“ื™ ืœื‘ื˜ืœ ืืช ื”ืžื ื•ื™ ืžืจืฉื™ืžืช ื”ืชืคื•ืฆื”?
ื™ืฉ ื‘ื ืง ืื—ื“. ื‘ื˜ื— ืฉืžืขืช ืขืœ ื–ื”, ื•ืื ืืชื” ื’ืจ ื‘ื‘ืจื™ื˜ื ื™ื”, ื™ืฉ ืกื™ื›ื•ื™ ืฉืœ 10% ืฉื–ื” ะฒะฐัˆ ื‘ึผึทื ืง. ืขื‘ื“ืชื™ ืฉื ื›"ื™ื•ืขืฅ" ื‘ืฉื›ืจ ืžืฆื•ื™ืŸ.

ื”ื‘ื ืง ืฉื•ืœื— ืžื›ืชื‘ื™ ืฉื™ื•ื•ืง. ื™ืฉ ืงื™ืฉื•ืจ ืงื˜ืŸ "ื‘ื™ื˜ื•ืœ ื”ืจืฉืžื”" ื‘ื›ื•ืชืจืช ื”ืชื—ืชื•ื ื” ืฉืœ ื›ืœ ืžื™ื™ืœ. ืื ืฉื™ื ืœืคืขืžื™ื ืœื•ื—ืฆื™ื ืขืœ ื”ืงื™ืฉื•ืจื™ื ื”ืืœื”.

ืœื—ื™ืฆื” ืขืœ ืงื™ืฉื•ืจ ื’ื•ืจืžืช ืœืฉืจืช ืื™ื ื˜ืจื ื˜ ืคืจื”ื™ืกื˜ื•ืจื™ ืื—ื“ ืœื”ืกืชื•ื‘ื‘ ืื™ืคืฉื”ื• ื‘ื‘ื ืง. ื‘ื›ื ื•ืช, ืœืงื— ืœื™ ืฉืœื•ืฉื” ืฉื‘ื•ืขื•ืช ืจืง ืœืžืฆื•ื ืื•ืชื•.

ืฉื™ืจื•ืช ื–ื” ืฉื•ืœื— ืžื™ื™ืœ ืœืชื™ื‘ืช ื”ื“ื•ืืจ ื”ื ื›ื ืก ื”ืคื ื™ืžื™ืช ืฉืœืš ื‘ื›ืœ ืคืขื ืฉื ืœื—ืฅ ืขืœ ืงื™ืฉื•ืจ. ื–ื” ืงื•ืจื” ื›ืžื” ืžืื•ืช ืคืขืžื™ื ื‘ื™ื•ื.

ื‘ืขื‘ืจ ื ืฉืœื—ื• ืžื›ืชื‘ื™ื ืืœื• ืœืขื•ื‘ื“ ืกืคืฆื™ืคื™, ืืš ืœืคื ื™ ื—ืžืฉ ืฉื ื™ื ื”ื•ื ืขื–ื‘.

ื›ืขืช ื”ืžื›ืชื‘ ืžื•ืขื‘ืจ ืœืงื‘ื•ืฆืช ื”ื”ืคืฆื”. ื”ื ืœื ื™ื›ืœื• ืœืฉื ื•ืช ืืช ื”ื›ืชื•ื‘ืช ืฉืœ ื”ื ืžืขืŸ ืžื›ื™ื•ื•ืŸ ืฉื”ื™ื ืžืงื•ื“ื“ืช ืงืฉื”, ื•ื”ื ืœื ื™ื›ืœื• ืœืžืฆื•ื ืืช ืงื•ื“ ื”ืžืงื•ืจ ืžื”ืฉื™ืจื•ืช. ื”ืฉื™ืจื•ืช ื›ืชื•ื‘ ื‘-Java 6.

ืžื›ืชื‘ื™ื ื‘ืงื‘ื•ืฆืช ื”ื“ื™ื•ื•ืจ ื ื‘ื“ืงื™ื ืขืœ ื™ื“ื™ ืฉื ื™ ืขื•ื‘ื“ื™ ืžืจื›ื– ื”ื—ื•ืฃ ืฉืœ ื”ื‘ื ืง ื‘ื”ื™ื™ื“ืจืื‘ืื“ (ื‘ื”ื•ื“ื•). ื”ื ืขื•ื‘ื“ื™ื ืงืฉื” ื•ืžืฉืœื™ืžื™ื ืืช ื”ืžืฉื™ืžื•ืช ืฉืœื”ื ืžื“ื”ื™ื, ืื‘ืœ ืœืขื–ืื–ืœ, ื”ืขื‘ื•ื“ื” ื”ื–ื• ื‘ืœืชื™ ื ืกื‘ืœืช.

ื”ืชืงืฉืจืชื™ ืื™ืชื ื‘ืืžืฆืขื•ืช ื•ืขื™ื“ืช ื•ื™ื“ืื• ื•ื”ื™ื• ืœื”ื ื›ืœ ื”ืกื™ืžื ื™ื ืฉืœ ืชืกืžื•ื ืช ืคื•ืกื˜-ื˜ืจืื•ืžื˜ื™ืช ืืจื’ื•ื ื™ืช. ื”ื ื ืœื—ืžื• ื‘ืฉื˜ื•ื™ื•ืช ื”ืืœื” ืœืื•ืจืš ื”ืฉื ื™ื ื•ื‘ื–ืžืŸ ื”ื–ื” ื“ื‘ืจ ืœื ื”ืฉืชื ื”.

ื›ืฉืžื’ื™ืข ืžื›ืชื‘, ืขืœื™ื”ื ืœื‘ืฆืข ืกืงืจื™ืคื˜ SQL ืฉืงื•ื‘ืข ืื ื”ื›ืชื•ื‘ืช ืฉืžื‘ื•ื˜ืœืช ืฉื™ื™ื›ืช ืœืœืงื•ื— ื”ื‘ื ืง (ื•ืื– ื”ืคืจื•ื˜ื•ืงื•ืœ ื”ื•ื ืื—ื“) ืื• ืœื (ื•ืื– ืื—ืจ).

ืื ื”ื ืžืขืŸ ื”ื•ื ืœืงื•ื—, ื”ื•ื ืฆืจื™ืš ืœื”ืจื™ืฅ ืกืงืจื™ืคื˜ SQL ืื—ืจ ืฉืžืขื“ื›ืŸ ืืช ืจืฉื•ืžืช ื”ืœืงื•ื— ื‘ืกื‘ื™ื‘ืช ื”ืงื“ื-ETL. ื›ืœ ื”ืฉื™ื ื•ื™ื™ื ื ื‘ื“ืงื™ื ื‘ืฉืขื” 16:00 ืœืคื™ ืฉืขื•ืŸ ืœื•ื ื“ื•ืŸ ืขืœ ื™ื“ื™ ืฆื•ื•ืช ื ืคืจื“ ื‘ืกืงื•ื˜ืœื ื“. ืื ื”ืฉื™ื ื•ื™ื™ื ื™ืขื‘ืจื• ืืช ื”ืื™ืžื•ืช, ื”ื ื™ื—ื•ืœื• ืขืœ ืžืกื“ ื”ื ืชื•ื ื™ื ื”ืืžื™ืชื™ ื‘ื™ื•ื ืื—ืจ ื‘ืฉืขื” 16:00.

ืื ื”ื ืžืขืŸ ืื™ื ื• ืœืงื•ื—, ื”ื ืžื•ืกื™ืคื™ื ืื•ืชื• ืœื’ื™ืœื™ื•ืŸ ืืœืงื˜ืจื•ื ื™ ืฉืœ Excel ื•ืฉื•ืœื—ื™ื ืื•ืชื• ืœืฆื•ื•ืช ื”ืฉื™ื•ื•ืง ื‘ืกื•ื•ื™ื ื“ื•ืŸ ืœืคื ื™ ื”ื™ืฆื™ืื” ื”ื‘ื™ืชื”.

ืฆื•ื•ืช ื”ืฉื™ื•ื•ืง, ื‘ืืžืฆืขื•ืช ืขืœื™ ืชื” ื•ืฉื™ื˜ื•ืช ื ืกืชืจ ืื—ืจื•ืช, ืงื•ื‘ืข ืื ื”ืœืงื•ื— ื”ื•ื "ื‘ืขืœ ืคื•ื˜ื ืฆื™ืืœ ืžืฉืžืขื•ืชื™" (ืฉืขื‘ื•ืจื•, ืขืœ ืคื™ ื”ืชืงื ื•ืช ื”ืคื ื™ืžื™ื•ืช, "ืขื“ 48 ืฉืขื•ืช"). ืื ืœื, ื”ื›ืชื•ื‘ืช ืžืชื•ื•ืกืคืช ืœื˜ื‘ืœื” ืื—ืจืช ื•ื ืฉืœื—ืช ื—ื–ืจื” ืœื”ื•ื“ื• ื›ื“ื™ ืœื‘ืฆืข ืฉืื™ืœืชืช SQL ื ื•ืกืคืช.

ืื ื”ืฉื™ื•ื•ืง ื–ื™ื”ื” ืœืงื•ื— ื›"ืžืฉืžืขื•ืชื™", ื”ื•ื ื ืฉืœื— ื‘ืื•ืคืŸ ื™ื“ื ื™ ืžื›ืชื‘ ื›ืžื• "ื”ืื ืืชื” ื‘ื˜ื•ื— ืฉืืชื” ื‘ืืžืช ืจื•ืฆื” ืœื‘ื˜ืœ ืืช ื”ืžื ื•ื™?" ื–ื” ื ืจืื” ื›ืื™ืœื• ื–ื” ื ื•ืฆืจ ืื•ื˜ื•ืžื˜ื™ืช, ืื‘ืœ ืœืžืขืฉื” ื–ื” ืœื.

ืื ื”ื ืขื•ื ื™ื "ื›ืŸ" (ื‘ืชื—ื™ืœื” ื”ื™ื” ืฆื•ืจืš ืœื›ืชื•ื‘ "ื›ืŸ" ื‘ืื•ืชื™ื•ืช ื’ื“ื•ืœื•ืช), ืื– ื”ืฆื•ื•ืช ืžืกื•ื•ื™ื ื“ื•ืŸ ืฉื•ืœื— ืื•ืชื ืœื”ื•ื“ื• ืฉืœื™ืฉื™ืช ื˜ื‘ืœื” ื•ืฉื ื”ืชืกืจื™ื˜ ื”ื‘ื ืžื‘ื•ืฆืข ื‘ื—ื’ื™ื’ื™ื•ืช.

ืื ืื ื™ ื–ื•ื›ืจ ื ื›ื•ืŸ, ื–ื” ืœื•ืงื— ื‘ืžืžื•ืฆืข ืืจื‘ืขื” ื™ืžื™ ืขื‘ื•ื“ื”. ื‘ืžืžื•ืฆืข, ื›-700 ืื ืฉื™ื ืžื‘ื˜ืœื™ื ืืช ื”ืžื ื•ื™ ื‘ื™ื•ื, ืžืชื•ื›ื 70% ื”ื "ืคื•ื˜ื ืฆื™ืืœื™ื™ื ืžืฉืžืขื•ืชื™ื™ื".

ืื’ื‘, ืฉื ื™ ื”ื”ื•ื“ื™ื ื”ืืœื” ืขื‘ืจื• ืœืฆื•ื•ืช ื”ืคื™ืชื•ื— ืฉืœื ื• ื•ื”ืคื›ื• ืœืจืืฉื™ ื”ืžืžืฉืœื” ืฉืœ ื”ืžืขืจื›ืช ืฉื”ื—ืœื™ืคื” ืืช ื›ืœ ื”ืฉื˜ื•ื™ื•ืช ื”ืืœื”. ื”ื ื”ื™ื• ื”ืื ืฉื™ื ื”ื›ื™ ืื“ื™ื‘ื™ื, ืจื—ืžื ื™ื ื•ื—ืจื•ืฆื™ื ืฉื”ื™ื” ืœื™ ื”ืขื•ื ื’ ืœืขื‘ื•ื“ ืื™ืชื. ื–ื” ื”ื™ื” ื‘ื–ื›ื•ืชื ืฉื”ืชื”ืœื™ืš ื”ืืจื’ื•ื ื™ ื”ืกื™ื•ื˜ ื”ื–ื” ืขื‘ื“ ื‘ืฆื•ืจื” ื›ืœ ื›ืš "ื—ืœืงื”" ื›ืœ ื”ืฉื ื™ื ื”ืœืœื•. ืžืื•ื—ืจ ื™ื•ืชืจ ื”ื ืขื‘ืจื• ืœืื ื’ืœื™ื” ื•ืื—ื“ ืžื”ื ืžื ื”ืœ ื›ืขืช ืžื—ืœืงื” ืขื 40+ ืขื•ื‘ื“ื™ื.

ื”ืขืจืช ื”ืžืชืจื’ื: ื™ื ืฉื•ืฃ ื‘-KDPV - ื™ื•ืœ.

ืžืงื•ืจ: www.habr.com

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