Siv SQL Server Management Studio
- Hauv Object Explorer, txuas mus rau ib qho piv txwv ntawm Database Engine.
- Nyob rau hauv Object Explorer, right-click lub rooj nyob rau hauv uas koj xav rename txhua thiab xaiv Rename.
- Hloov lub npe kab tshiab.
Kuv yuav hloov npe ib kab hauv SQL li cas?
Siv SQL Server Management Studio
- Hauv Object Explorer, txuas mus rau ib qho piv txwv ntawm Database Engine.
- Nyob rau hauv Object Explorer, right-click lub rooj nyob rau hauv uas koj xav rename txhua thiab xaiv Rename.
- Hloov lub npe kab tshiab.
Kuv yuav hloov npe li cas rau kab hauv SQL w3schools?
ALTER TABLE - ALTER/MODIFY COLUMN
- SQL Server / MS Access: ALTER TABLE table_name. ALTER COLUMN column_name datatype;
- Kuv SQL / Oracle (ua ntej version 10G): ALTER TABLE table_name. MODIFY COLUMN column_name datatype;
- Oracle 10G thiab tom qab: ALTER TABLE table_name. MODIFY column_name datatype;
Koj puas tuaj yeem sau npe rau kab npe hauv SQL?
SQL aliases yog siv los muab lub rooj, lossis kab hauv lub rooj, lub npe ib ntus. Alias feem ntau siv los ua cov npe kab ntawv nyeem tau yooj yim dua. Lub alias tsuas muaj nyob rau lub sijhawm ntawm cov lus nug ntawd. Ib qho alias yog tsim nrog AS lo lus tseem ceeb.
Kuv yuav hloov lub npe kab lus li cas?
Rename a column
- Txhawm rau qhib cov lus nug, nrhiav ib qho yav dhau los loaded los ntawm Power Query Editor, xaiv ib lub xov tooj ntawm tes hauv cov ntaub ntawv, thiab tom qab ntawd xaiv Cov Lus Nug > Kho. Yog xav paub ntxiv saib Tsim, thauj khoom, lossis kho cov lus nug hauv Excel.
- Xaiv kab, thiab tom qab ntawd xaiv Hloov Hloov > Hloov npe. …
- Ntau lub npe tshiab.
