Cov txheej txheem:
Video: Kuv yuav saib cov ntsiab lus ntawm lub rooj hauv SQL li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Mus saib cov ntsiab lus ntawm ib lub database:
- Txuas lub database hauv Object Explorer.
- Hauv Object Explorer, xaiv cov ntaub ntawv koj txuas thiab nthuav nws cov ntsiab lus .
- Los ntawm Rooj qeb, xaiv cov rooj koj xav tau saib .
- Right-click rau ntawm qhov rooj npe thiab xaiv Kho kom raug Sab saum toj 200 Kab los ntawm cov ntawv qhia zaub mov.
Ib yam li ntawd, kuv yuav nrhiav tau ib yam dab tsi hauv SQL database li cas?
Xaiv cov khoom tshawb nrhiav hais kom ua:
- Hauv Cov Ntawv Tshawb Nrhiav, sau cov ntawv uas yuav tsum tau tshawb nrhiav (piv txwv li lub npe sib txawv)
- Los ntawm Database drop-down ntawv qhia zaub mov, xaiv cov database los tshawb hauv.
- Nyob rau hauv cov khoom poob-down daim ntawv teev npe, xaiv hom khoom los tshawb hauv, lossis cia lawv txhua tus txheeb xyuas.
Tsis tas li ntawd, kuv tuaj yeem pom tag nrho cov ntxhuav hauv cov ntaub ntawv li cas?
- MySQL hom syntax.
- SELECT table_name NTAWM information_schema.tables WHERE table_type = 'base table' THIAB table_schema = 'test';
- SQL Server.
- SIV xeem; // Xaiv DATABASE. SELECT table_name NTAWM information_schema.tables WHERE table_type = 'base table'
- Oracle.
- DB 2.
- PostgreSQL.
Ua li no, kuv tuaj yeem pom cov lus piav qhia hauv SQL Server li cas?
Tsuas yog xaiv lub rooj thiab nias Alt + F1, nws yuav ua yeeb yam tag nrho cov ntaub ntawv hais txog rooj xws li Kem npe, datatype, yawm sij thiab lwm yam piav command muab koj cov ntaub ntawv hais txog kab npe, hom, ntev, thiab lwm yam.
Kuv tuaj yeem pom txhua lub rooj hauv MySQL li cas?
Kom tau ib lis ntawm rooj hauv a MySQL database, siv lub mysql tus neeg siv cuab yeej txuas rau MySQL server thiab khiav lub Qhia TABLE lus txib. Qhov kev xaiv FULL modifier yuav ua yeeb yam tus rooj ntaus ntawv raws li kab ntawv tso tawm thib ob.
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