SQL in 18 Steps

Idee Programmer

Iqukethe izikhangisoUkuthenga ngaphakathi nohlelo

Mayelana nalolu hlelo lokusebenza

I-Master SQL igxathu negxathu ngalolu hlelo lokusebenza oluphelele, oluhlanganisa izihloko ezibalulekile ezingu-18 ezinezincazelo ezinemininingwane nezibonelo zamakhodi omhlaba wangempela. Noma ngabe ungumuntu osaqalayo noma ungumsebenzisi othuthukile, lolu hlelo lokusebenza lwenza i-SQL iqondeke kalula ngezifundo ezihlelekile, amazwibela ekhodi asebenzayo, nokuzijwayeza ngezandla.

🔹 Izihloko Ezihlanganisiwe:
✅ Isingeniso ku-SQL - Funda ukuthi iyini i-SQL nokuthi isebenza kanjani.
✅ Izisekelo ze-SQL - Qonda imininingwane yolwazi, amathebula, nemiyalo ebalulekile ye-SQL.
✅ Ukudizayina Kwesizindalwazi Nokujwayela - Dizayina imininingwane esebenza kahle enemikhuba engcono kakhulu.
✅ Ulimi Lwencazelo Yedatha (DDL) - Funda ukwenza, ukuguqula, nokususa amatafula.
✅ Ulimi Olukhohlisayo Lwedatha (DML) – Faka, buyekeza, susa, futhi ulawule idatha.
✅ Ulimi Lombuzo Wedatha (DQL) - Banzi kahle isitatimende esithi KHETHA kanye nedatha yokuhlunga.
✅ Ama-Opharetha - Sebenza nge-arithmetic, i-logical, kanye nama-opharetha wokuqhathanisa ku-SQL.
✅ Ukujoyina - Funda OKUPHAKATHI, KWESOKUNXELE, KWESOKUDLA, KUGCWELE, kanye ne-SELF ijoyina.
✅ Imibhalo engezansi - Sebenza ngomugqa owodwa, imigqa eminingi, kanye nemibhalo engezansi ehlobene.
✅ Ukubuka - Dala, buyekeza, futhi usebenzise ukubuka ku-SQL.
✅ Okwenziwayo Nokulawulwa Kwezimali - Qonda UKUZINIKELA, I-ROLLBACK, namazinga okuzihlukanisa.
✅ Ukwenza Inkomba Nokuthuthukisa - Funda nge-B-Tree, i-Hash, izinkomba Zombhalo Ogcwele & nokwenza kahle.
✅ Izinqubo Nemisebenzi Egciniwe - Dala izinqubo nemisebenzi ye-SQL esebenziseka kabusha.
✅ Izibangeli - Sebenzisa NGAPHAMBI KOKUFAKA, NGEMVA KOKUBUYISA, neminye imicimbi ecuphayo.
✅ Ukuphathwa Nokuphepha Kwabasebenzisi - Phatha abasebenzisi besizindalwazi, izindima, namalungelo.
✅ Ukwenza Ikhophi Yasenqolobaneni Nokubuyisela - Funda i-mysqldump, pg_dump, namasu okulondoloza i-Oracle.
✅ Imiqondo ye-SQL Ethuthukisiwe - Hlola ama-CTE, imibuzo ephindaphindayo, imisebenzi yewindi nokuningi.
✅ I-SQL Yedatha Enkulu Nefu - Qonda i-SQL ku-Hadoop, i-AWS RDS, i-Google Cloud, njll.

💡 Izici ezibalulekile:
✔ Izincazelo ezilula, ezicacile - Ayikho ithiyori engadingekile, ulwazi olusebenzayo kuphela.
✔ Izibonelo zomhlaba wangempela - Funda i-SQL ngokubhala ngesandla ngesandla.
✔ Indlela yesinyathelo ngesinyathelo - Ukuthuthuka ukusuka kwabaqalayo ukuya ezihlokweni ezithuthukile.
✔ Prakthiza imibuzo - Zama imiyalo ye-SQL ngokufunda okuhlelekile.
✔ Kwenzelwe yonke imininingwane yolwazi ye-SQL - i-MySQL, i-PostgreSQL, i-Oracle, i-SQL Server nokuningi.

🚀 Lolu hlelo lokusebenza lukabani?

Abafundi bafunda i-SQL kusukela ekuqaleni
Onjiniyela abasebenza ngesizindalwazi
Abahlaziyi bedatha nonjiniyela bathuthukisa amakhono e-SQL
Noma ubani ulungiselela izingxoxo ze-SQL
Landa manje futhi ube uchwepheshe we-SQL! 💻

Yini entsha

Bugs fixed,
Subscription model added