SQLore: обучение SQL
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Funda i-SQL ne-Database Fundamentals KUSUKELA ku-ZERO. Umqeqeshi osebenzayo walabo asebevele beyazi i-SQL, kanye nezifundo zamahhala, ezibandakanya izihloko ezinhlanu:
- Basics - ifaka ithiyori mayelana nemininingwane, ukwakheka kwayo nezinye izinto;
- Ulimi lwe-DDL - ukufunda ukudala, ukuguqula nokususa zombili imininingwane namatafula e-SQL;
- Ulimi lwe-DML - ukufunda ukufaka, ukushintsha, ukususa, nokuthola idatha kusuka ku-database;
- Elements - kufaka iningi lama-opharetha nemisebenzi edingekayo ukuphatha imininingwane;
- Amamojula - izifundo zendlela yokwakha nokusebenzisa izinqubo, imisebenzi yangokwezifiso nezimbangela.
Umhlahlandlela wokuzifundela osebenzayo ekufundeni i-SQL yi-LIBRARY, equkethe amagama angaphezu kwekhulu, uma kwenzeka udinga ukuwafunda ngokuhlukile.
Kepha ukufunda kumane kuyisiqalo. Lapho ufunda ngokwengeziwe imibono, izici eziningi ziyatholakala. Ngemuva kokuhlola ama-elementi e-SQL, kuzokuvulekela isimangaliso esisesimweni sedolobha ngobuningi bezivivinyo zokuthuthukisa amakhono akho ezakhiweni zokwakha. Ngemuva kokuphothula ukuqeqeshwa ngokuphelele, ungaqhubeka INDLELA.
Indlela ingumgwaqo onezivivinyo ezahlukahlukene, imisebenzi kanye nabaphathi. Njengoba uqhubeka phakathi kwendlela, uzokwazi ukuvula izivivinyo ezintsha edolobheni, uthole impumelelo eningi futhi ufunde iSQL ngokujulile.
Zama okokufundisa okuhle kakhulu bese ubona i-SQL kusuka kolunye uhlangothi!
- Basics - ifaka ithiyori mayelana nemininingwane, ukwakheka kwayo nezinye izinto;
- Ulimi lwe-DDL - ukufunda ukudala, ukuguqula nokususa zombili imininingwane namatafula e-SQL;
- Ulimi lwe-DML - ukufunda ukufaka, ukushintsha, ukususa, nokuthola idatha kusuka ku-database;
- Elements - kufaka iningi lama-opharetha nemisebenzi edingekayo ukuphatha imininingwane;
- Amamojula - izifundo zendlela yokwakha nokusebenzisa izinqubo, imisebenzi yangokwezifiso nezimbangela.
Umhlahlandlela wokuzifundela osebenzayo ekufundeni i-SQL yi-LIBRARY, equkethe amagama angaphezu kwekhulu, uma kwenzeka udinga ukuwafunda ngokuhlukile.
Kepha ukufunda kumane kuyisiqalo. Lapho ufunda ngokwengeziwe imibono, izici eziningi ziyatholakala. Ngemuva kokuhlola ama-elementi e-SQL, kuzokuvulekela isimangaliso esisesimweni sedolobha ngobuningi bezivivinyo zokuthuthukisa amakhono akho ezakhiweni zokwakha. Ngemuva kokuphothula ukuqeqeshwa ngokuphelele, ungaqhubeka INDLELA.
Indlela ingumgwaqo onezivivinyo ezahlukahlukene, imisebenzi kanye nabaphathi. Njengoba uqhubeka phakathi kwendlela, uzokwazi ukuvula izivivinyo ezintsha edolobheni, uthole impumelelo eningi futhi ufunde iSQL ngokujulile.
Zama okokufundisa okuhle kakhulu bese ubona i-SQL kusuka kolunye uhlangothi!
Kubuyekezwe ngo-
Ukuphepha kuqala ngokuqonda ukuthi onjiniyela baqoqa futhi babelane kanjani ngedatha yakho. Ubumfihlo bedatha nezinqubo zokuphepha zingahluka kuye ngokusebenzisa kwakho, isifunda, nobudala. Unjiniyela unikeze lolu lwazi futhi angalubuyekeza ngokuhamba kwesikhathi.
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