Kuti mulembe zolemba zonse mu MySQL, yendetsani lamulo ili: mysql> onetsani ma database; Lamuloli lidzakuthandizani ngakhale mutakhala ndi Ubuntu VPS kapena CentOS VPS.
Kodi ndimalemba bwanji nkhokwe zonse?
Kuti muwone mndandanda wazosewerera pamwambo wa SQL Server
- Mu Object Explorer, gwirizanitsani ndi chitsanzo cha SQL Server Database Engine, ndiyeno onjezerani chitsanzocho.
- Kuti muwone mndandanda wazinthu zonse zomwe zili pachitsanzo, onjezerani Ma Database.
Ndi funso liti lomwe limatchula nkhokwe zomwe zili mu seva yamakono?
Mukhoza kugwiritsa ntchito mysql lamulo kulumikiza ku seva ya mysql ndikulemba mndandanda wazomwe zilipo.
Kodi ndimapeza bwanji database mu Linux?
Kuti mupeze database yanu ya MySQL, chonde tsatirani izi:
- Lowani mu seva yanu ya Linux kudzera pa Secure Shell.
- Tsegulani pulogalamu yamakasitomala a MySQL pa seva mu /usr/bin directory.
- Lembani mawu otsatirawa kuti mupeze deta yanu: $ mysql -h {hostname} -u username -p {databasename} Password: {password yanu}
Kodi ndingapange bwanji database?
Pangani database popanda kugwiritsa ntchito template
- Pa tabu ya Fayilo, dinani Chatsopano, ndiyeno dinani Chosungira Chopanda kanthu.
- Lembani dzina la fayilo mu bokosi la Dzina la Fayilo. …
- Dinani Pangani. …
- Yambani kutayipa kuti muwonjezere deta, kapena mutha kumata zomwe zachokera kugwero lina, monga tafotokozera mgawo Matulani deta kuchokera kugwero lina kupita ku tebulo lofikira.
Kodi ndimapeza bwanji mndandanda wama database mu MySQL?
Njira yodziwika bwino yopezera mndandanda wazosewerera za MySQL ndi kugwiritsa ntchito kasitomala wa mysql kuti mulumikizane ndi seva ya MySQL ndikuyendetsa lamulo la SHOW DATABASES. Ngati simunayike mawu achinsinsi kwa wogwiritsa ntchito MySQL mutha kusiya -p switch.
Kodi ndimawonetsa bwanji nkhokwe zonse mu PostgreSQL?
Gwiritsani ntchito l kapena l+ mu psql kuwonetsa nkhokwe zonse mu seva yaposachedwa ya PostgreSQL. Gwiritsani ntchito mawu akuti SELECT kuti mufunse zambiri kuchokera pa pg_database kuti mupeze nkhokwe zonse.
Kodi ndingawone bwanji nkhokwe zonse ku Oracle?
Kuti mupeze makhazikitsidwe a pulogalamu ya Oracle database, yang'anani /etc/oratab pa Unix. Izi ziyenera kukhala ndi zonse ORACLE_HOME zoyikika. Mutha kuyang'ana mkati mwa iliyonse mwazo $ORACLE_HOME/dbs pa spfile . ora ndi/kapena init .
Kodi ndi lamulo liti lomwe limagwiritsidwa ntchito kusonyeza kapangidwe ka tebulo?
Popeza mu database tili ndi matebulo, ndichifukwa chake timagwiritsa ntchito FOTO kapena DESC (onse ndi ofanana) lamulo kufotokoza kapangidwe ka tebulo.
Funso loti mulembe nkhokwe zonse ndi liti?
Zosungira zadongosolo:
Lamulo loti muwone ma database a system ndi: SANKHANI dzina, database_id, create_date KUCHOKERA sys.
Kodi ndimapeza bwanji dzina la database ku Linux?
Njira yosavuta yopezera dzina la database ndi: sankhani * kuchokera ku global_name; Malingaliro awa amaperekedwa kwa PUBLIC, kotero aliyense atha kufunsa. Apa "ORCL" yoyamba ndi dzina la database, mwina ikhoza kukhala "XE" yanu ndi zina zomwe zidaperekedwa panthawi yotsitsa oracle.
Kodi mumalumikizana bwanji ndi database ku Unix?
Chitani zotsatirazi kuti muyambe SQL*Plus ndikulumikiza ku database yokhazikika:
- Tsegulani terminal ya UNIX.
- Pamzere wolamula, lowetsani lamulo la SQL*Plus mu mawonekedwe: $> sqlplus.
- Mukafunsidwa, lowetsani dzina lanu lolowera la Oracle9i ndi mawu achinsinsi. …
- SQL*Plus imayamba ndikulumikizana ndi database yosasinthika.
Kodi ndingayendetse Access pa Linux?
Kufikira kulibe chofanana chenicheni pa Linux ndipo ngakhale Kexi ndi njira ina yosangalatsa yomwe imatha kulowetsa mafayilo a Access ndipo ikufuna kupereka magwiridwe antchito ofanana, sigwiritsa ntchito mafayilo a Access kamodzi zomwe zatumizidwa.
Kodi ndimalumikizana bwanji ndi SQL Server ku Linux?
Kuti mugwirizane ndi chitsanzo chotchulidwa, gwiritsani ntchito mtundu dzina lachitsanzo la makina . Kuti mugwirizane ndi chitsanzo cha SQL Server Express, gwiritsani ntchito dzina la makina SQLEXPRESS. Kuti mugwirizane ndi chitsanzo cha SQL Server chomwe sichikumvetsera pa doko lokhazikika (1433), gwiritsani ntchito mtundu wa machinename :port .