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Video: Dab tsi yog cov lus nug siv los tso saib tag nrho cov npe ntawm cov ntxhuav hauv SQL Server?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Muaj ob txoj hauv kev los nrhiav tag nrho cov npe , thawj tus yog los ntawm kev siv Qhia ” lo lus tseem ceeb thiab qhov thib ob yog los ntawm nug INFORMATION_SCHEMA.
Yog li ntawd, yuav ua li cas kuv sau tag nrho cov rooj nyob rau hauv ib tug database?
SQL hais kom sau tag nrho cov ntxhuav hauv Oracle
- Qhia tag nrho cov ntxhuav uas yog tus neeg siv tam sim no: SELECT. table_npe. Los ntawm. user_tables;
- Qhia tag nrho cov ntxhuav hauv cov ntaub ntawv tam sim no: SELECT. table_npe. Los ntawm. dba_tabs;
- Qhia tag nrho cov rooj uas siv tau los ntawm tus neeg siv tam sim no:
Tsis tas li ntawd, cov lus nug twg tuaj yeem siv los muab lub npe thiab ntaus los ntawm lub rooj? Xaiv SQL Lus nug Xaiv nug yog siv los khaws cov ntaub ntawv los ntawm a rooj . Nws yog qhov feem ntau siv SQL ntawv nug.
Tsis tas li ntawd, kuv yuav sau tag nrho cov lus hauv SQL li cas?
Txoj kev yooj yim tshaj plaws rau saib tag nrho cov rooj nyob rau hauv lub database yog nug cov all_tables saib: Xaiv tus tswv, table_name FROM all_tables; Qhov no yuav qhia tus tswv (tus neeg siv) thiab lub npe ntawm tus rooj . Koj tsis tas yuav ib yam muaj cai tshwj xeeb rau saib qhov kev pom no, tab sis nws tsuas yog qhia rooj uas nkag tau rau koj.
Muaj pes tsawg hom rooj nyob hauv SQL Server?
peb hom
Pom zoo:
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