Sga_target yog dab tsi?
Sga_target yog dab tsi?

Video: Sga_target yog dab tsi?

Video: Sga_target yog dab tsi?
Video: Oracle APEX 20.2 Installation 8K 2024, Kaum ib hlis
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SGA_TARGET yog ib qho database pib qhov ntsuas (qhia hauv Oracle 10g) uas tuaj yeem siv rau qhov tsis siv neeg SGA nco qhov loj me. Tsis siv neeg loj SGA Cheebtsam. Nco tau xa mus rau qhov xav tau tshaj plaws. Siv cov ntaub ntawv ua haujlwm.

Ntxiv mus, SGA_Target thiab Sga_max_size yog dab tsi?

SGA_MAX_SIZE thiab SGA_TARGET ob leeg yog cov parameter yog siv los hloov SGA SIZE. SGA_MAX_SIZE teev tus nqi siab tshaj plaws rau sga_cov . *SGA_TAGET yog 10G feature siv los hloov sga loj dynamically. * Cov SGA_MAX_SIZE parameter yog qhov max tso cai loj los hloov qhov SGA Memory cheeb tsam tsis.

Ib yam li ntawd, SGA yog dab tsi hauv Oracle? Nyob rau hauv lub database tswj systems tsim los ntawm lub Oracle Corporation, System ntiaj teb no cheeb tsam ( SGA ) ua ib feem ntawm qhov system nco (RAM) sib koom los ntawm tag nrho cov txheej txheem teej tug mus rau ib leeg Oracle database piv txwv. Cov SGA muaj tag nrho cov ntaub ntawv tsim nyog rau kev ua haujlwm piv txwv.

Yog li ntawd, qhov txawv ntawm SGA_Target thiab Memory_Target yog dab tsi?

SGA_Target yog qhov loj ntawm SGA tsis suav nrog PGA. Nco_Target suav nrog ob leeg. Yog tias PGA_target + SGA_Target yog > Nco_Target , koj tuaj yeem tau txais qhov yuam kev no. Ua tib zoo saib qhov no thiab.

SGA loj yog dab tsi?

Cov SGA (System Ntiaj Teb Cheeb Tsam) yog thaj tsam ntawm lub cim xeeb (RAM) faib thaum Oracle Instance pib. Cov SGA qhov loj thiab muaj nuj nqi yog tswj los ntawm kev pib (INIT. ORA lossis SPFILE) tsis muaj.

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