Cov txheej txheem:
Video: Dab tsi yog thaiv thiab koj yuav daws nws li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Dab tsi yog thaiv thiab koj yuav daws teeb meem li cas ? Thaiv tshwm sim thaum ob lossis ntau kab yog xauv los ntawm ib qho kev sib txuas SQL thiab qhov thib ob txuas rau SQL neeg rau zaub mov yuav tsum muaj kev tsis sib haum xeeb ntawm kev xauv ntawm cov kab ntawd. Qhov no ua rau qhov kev sib txuas thib ob tos kom txog thaum lub xauv thawj zaug tso tawm.
Kuj paub, dab tsi ua rau database thaiv?
Database thaiv tshwm sim thaum muaj kev sib txuas rau SQL neeg rau zaub mov kaw ib lossis ntau cov ntaub ntawv, thiab qhov thib ob kev sib txuas rau SQL neeg rau zaub mov yuav tsum muaj kev sib cav sib ceg ntawm cov ntaub ntawv, lossis cov ntaub ntawv, xauv los ntawm thawj qhov kev sib txuas. Qhov no ua rau qhov kev sib txuas thib ob tos kom txog thaum thawj qhov kev sib txuas tso tawm nws cov xauv.
Dab tsi yog qhov thaiv cov lus nug? Hauv SQL Server, thaiv tshwm sim thaum ib tus SPID tuav lub xauv ntawm ib qho chaw tshwj xeeb thiab qhov thib ob SPID sim kom tau txais qhov tsis sib haum xeeb xauv hom ntawm tib qhov chaw. Lub sijhawm thiab cov ntsiab lus ntawm kev hloov pauv ntawm a nug txiav txim siab ntev npaum li cas nws cov xauv raug tuav thiab, yog li, lawv cuam tshuam rau lwm yam lus nug.
Ib yam li ntawd, koj tuaj yeem nug, Kuv yuav paub li cas yog SQL Server thaiv?
Txhawm rau nrhiav cov blocks siv txoj kev no, qhib SQL Server Management Studio thiab txuas mus rau lub SQL Server piv txwv li koj xav tau saib xyuas . Tom qab koj tau txuas nrog, txoj nyem rau ntawm lub npe piv txwv thiab xaiv 'Kev Ua Haujlwm Saib xyuas 'los ntawm cov ntawv qhia zaub mov.
SQL Server tswj kev thaiv li cas?
Sib sau cov ntaub ntawv thaiv
- Txoj cai-nias rau ntawm tus neeg rau zaub mov cov khoom, nthuav Cov Ntawv Qhia, nthuav Cov Ntawv Qhia Txuj Ci, thiab tom qab ntawd nyem Kev Ua Haujlwm - Tag Nrho Cov Kev Lag Luam. Daim ntawv tshaj tawm no qhia txog kev hloov pauv ntawm lub taub hau ntawm kev thaiv cov saw hlau.
- Siv DBCC INPUTBUFFER() txhawm rau nrhiav cov lus kawg uas tau xa los ntawm SPID.
Pom zoo:
Tus neeg tua neeg OOM yog dab tsi thaum nws khiav thiab nws ua dab tsi?
OOM Killer ua haujlwm los ntawm kev tshuaj xyuas tag nrho cov txheej txheem khiav thiab muab lawv cov qhab nia phem. Cov txheej txheem uas tau qhab nia siab tshaj yog tus uas raug tua. OOM Killer muab cov qhab nia ua phem raws li ntau yam
Kev tshawb xyuas network yog dab tsi thiab nws ua li cas thiab vim li cas nws thiaj xav tau?
Network auditing yog txheej txheem uas koj lub network tau teeb tsa ob qho tib si ntawm software thiab kho vajtse. Cov txheej txheem tuaj yeem ua rau poob siab yog tias ua tiav manually, tab sis hmoov zoo qee cov cuab yeej tuaj yeem pab automate ib feem ntawm cov txheej txheem. Tus thawj coj yuav tsum paub tias lub tshuab thiab cov cuab yeej txuas nrog lub network li cas
Heuristic yog dab tsi thiab nws yuav pab tau koj daws teeb meem li cas?
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Dab tsi yog qhov xav tau rau cov chav kawm paub daws teeb meem thiab kev paub daws teeb meem?
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Dab tsi yog tus hais lus sau nws lub hom phiaj thiab dab tsi yog yam tseem ceeb uas yuav tsum nco ntsoov txog cov lus hais?
Cov neeg hais lus sau ntawv yog cov ntawv qhia uas tus neeg nthuav qhia siv thaum nthuav qhia qhov kev nthuav qhia. Lawv pab tus neeg nthuav qhia nco txog cov ntsiab lus tseem ceeb thaum muab kev nthuav qhia. Lawv tshwm sim ntawm tus swb thiab tuaj yeem pom tsuas yog los ntawm tus tshaj tawm thiab tsis yog cov neeg tuaj saib