Kev piav qhia Lub DBMS_UTILITY. format_error_backtrace muaj nuj nqi, ntxiv rau hauv Oracle Database 10g Tso Tawm 2, yog ib qho tseem ceeb subprogram subprogram Lub tswv yim ntawm lub subroutine tau pib xeeb los ntawm John Mauchly thaum nws ua haujlwm ntawm ENIAC, thiab sau tseg rau lub Ib Hlis 1947 Harvard symposium ntawm "Kev Npaj Cov Teeb Meem rau EDVAC-hom Machine". https://en.wikipedia.org › wiki › Subroutine
Subroutine - Wikipedia
rau hu thaum kaw kev zam. Nws rov qab ib txoj hlua uas taug qab qhov yuam kev rov qab mus rau kab uas nws tau tsa!
Dbms_utility Get_time hauv Oracle yog dab tsi?
DBMS_UTILITY. GET_TIME yog ib txoj haujlwm muaj nyob hauv Oracle Database kom tau txais sijhawm hauv millisecond. Koj yuav tsum faib nws los ntawm 100 kom tau lub sijhawm hauv vib nas this.
Dab tsi yog kev siv SAVE zam hauv Oracle?
Kev piav qhia Ntxiv SAVE EXCEPTIONS clause rau koj daim ntawv FORALL thaum koj xav kom PL / SQL runtime engine ua txhua DML nqe lus tsim los ntawm FORALL, txawm tias ib lossis ntau tshaj ua tsis tiav nrog qhov yuam kev. Yog tias koj siv INDIICES OF, koj yuav tsum tau ua tib zoo saib xyuas kom pom koj txoj hauv kev rov qab mus rau nqe lus ua txhaum cai.
Dab tsi yog kev siv DBMS?
Cov khoom siv database yog qhov sib cuam tshuam ntawm ABAP Phau ntawv txhais lus thiab cov ntaub ntawv sib txheeb hauv qab SAP System. Cov ntaub ntawv siv hluav taws xob tso cai rau koj hloov kho (tsim, rho tawm thiab kho rauhloov mus rau lawv lub ntsiab lus hauv ABAP Dictionary) cov khoom siv database tau muab los ntawm cov khoom ntawm ABAP Dictionary.
Sqlerrm yog dab tsi hauv PL SQL?
Qhov muaj nuj nqi SQLERRM rov qab cov lus yuam kev cuam tshuam nrog nws qhov kev ua yuam kev-tus lej sib cav. Yog tias qhov kev sib cav raug tshem tawm, nws rov qab cov lus yuam kev cuam tshuam nrog tus nqi tam sim no ntawm SQLCODE. SQLERRM tsis muaj kev sib cav yog qhov muaj txiaj ntsig tsuas yog hauv ib qho kev zam handler. … Cov lus pib nrog Oracle yuam kev code.
