Ukwenza Ithokheni Yedatha vs. Ukufihla: Ukukhetha Isu Elilungile Lobumfihlo Bedatha
Funda mayelana nokwenza amathokheni edatha uma kuqhathaniswa nokufihla kanye nendlela yokukhetha indlela efanele yobumfihlo bedatha yenhlangano yakho. Thola izinzuzo kanye nezinkinga zendlela ngayinye.
I-SQL INLIST: Umhlahlandlela Ophelele
Funda indlela yokusebenzisa umsebenzi we-SQL INLIST ukuze ubuze ngempumelelo idatha kusizindalwazi sakho. Lo mhlahlandlela uhlanganisa i-syntax, izibonelo, kanye nemikhuba engcono kakhulu.
Izidingo ze-SQL Server 2022: Izingxenyekazi zekhompuyutha, Isofthiwe, Nokunye
Zitholele izidingo ezibalulekile zezingxenyekazi zekhompuyutha kanye nesofthiwe yokufaka nokusebenzisa i-SQL Server 2022. Funda mayelana nezinhlelo zokusebenza ezisekelwayo, izinguqulo ze-.NET Framework, nokuningi.
Ukubuyisela I-MySQL: Uyibuyisela Kanjani I-MySQL Database yakho
Funda indlela yokubuyisela ngempumelelo isizindalwazi sakho se-MySQL. Lo mhlahlandlela uhlanganisa izindlela ezibalulekile kanye nemikhuba engcono kakhulu yokuthola nokuvimbela idatha.
Xhumanisa Amathebula Amabili ku-SQL: Umhlahlandlela Ophelele
Funda ukuthi ungaxhuma kanjani ngempumelelo amathebula amabili ku-SQL usebenzisa izinhlobo zokujoyina ezihlukahlukene (INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JIN) ngezibonelo ezicacile nezincazelo.
I-SQL: Indlela Yokuvuselela Umugqa - Umhlahlandlela Ophelele
Funda ukuthi ungayibuyekeza kanjani idatha ekhona kuthebula le-SQL. Lo mhlahlandlela unikeza isifundo sesinyathelo nesinyathelo esinezibonelo zokuthi ungasisebenzisa kanjani isitatimende SOKUBUYEKEZA ngempumelelo.
Dala Ithebula ku-MySQL: Umhlahlandlela Ophelele
Funda ukuthi ungawakha kanjani amatafula ku-MySQL ngalo mhlahlandlela ophelele. Bazi kahle imiyalo ebalulekile ye-SQL kanye ne-syntax yokwakheka kwesizindalwazi esisebenzayo.
Umbuzo we-SQL: Memezela Okuguquguqukayo - Umhlahlandlela Ophelele
Funda indlela yokumemezela nokusebenzisa okuhlukile emibuzweni ye-SQL ukuze uthole ukukhohlisa kwedatha okuthuthukisiwe nokufundeka kwekhodi. Lo mhlahlandlela uhlanganisa i-syntax, izinqubo ezihamba phambili, nezibonelo zomhlaba wangempela.
Memezela Okuguquguqukayo ku-SQL: Umhlahlandlela Wabaqalayo
Funda indlela yokumemezela nokusebenzisa okuguquguqukayo ku-SQL. Lo mhlahlandlela ophelele uhlanganisa i-syntax, izinqubo ezihamba phambili, nezibonelo zomhlaba wangempela zokuthuthukisa amakhono akho e-SQL.
Umbuzo we-SQL we-Pivot Table: Umhlahlandlela Ophelele
Funda ukuthi ungayenza kanjani imibuzo ye-SQL ye-Pivot Table enamandla. Lo mhlahlandlela uhlanganisa amasu abalulekile okufingqa idatha nokuhlaziya kusetshenziswa i-SQL.
