Ko te tino wātea Ka āhua te pūāhua SQL
E whakahauhau ana te SQL i roto i tō tātau kaitiaki - te whakahauhau i ngā kupu kī, ngā rārangi-whakahaere me te whakawhāiti, me te kore e whakarewaina.
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He pēhea te mahi
- Paki i tōna SQL. Ka whakawātea tētahi kīanga HANGĀ, HONGĀ rānei i roto i te kāwai.
- Kāhua. Ka pā ki te Wāhanga ki ngā kupu kī nui, ka whakaroa ngā wae ki ngā raina hōu me te whakawhāiti.
- Ko te hua ka tāruatia. Ko te tārua o te pātai mārō. Ka haere katoa i roto i tōmu kaitiaki - kāore he mea whakarewa.
Mo tēnei utauta
Ka huri i tētahi pātai SQL-line-only ki tētahi mea e taea e koe te whakaako. Ka whakataki i tētahi kīanga, ā, ka whakawhāiti te tātai i ngā kupu kī, ka whakatakoto i ia kupu nui - SELECT, FROM, WHERE, te JOINs, GROUP BY, ORDER BY, AND/OR me ētahi atu - i runga i tōna raina, ā, ka whakawhāiti i ngā ihirangi o ngā kōwae. Ko ngā aho, ngā tohu whakahua me ngā kōrero e waiho ana i te kore. Ka whakaaetia e ngā kōwhiringa hōhonu kia huri i ngā kupu kī ki te āhua iti, ā, ka kōwhiria he mokowā 2, 4-wā, taupānga rānei. Ka haere katoa i roto i tōna kaitiaki.
He aha te whakamahinga o te tangata mo ia
- Ka taea te whakamātautau i tētahi pātai-wairangi kotahi mō tētahi arotakenga waehere
- Whakawaenga i te kupu kī ki runga i tētahi rōpū SQL
- He mārō te pātai i mua i te tāpoi ki roto i tētahi tāke, tuhinga rānei
- Whakawhāiti i tētahi mekameka roa WHERE / JOIN hei whakarerekē i a ia
Ko nga pātai e pā ana
Kāore. Ka haere katoa te whakawhanaketanga i roto i tōmu kaitiaki, nā reira ko te SQL e tāpoi ana e kore e mahue i tōmu mīhini.
He. He whakaritenga take-whakahaere ngā kōwhiringa hōhonu; Ka huri ki te āhua iti, ā, ka whakawāteatia te TAITAU, MAI i, I reira me te toenga i roto i te āhua iti.
Kāore. Ko ngā kupu kī SQL mōhiotia anake e whakahōu ana. Ko ngā tohutoro, ngā aho ā-tuhi me ngā ingoa kua whakahuatia e noho tonu ana i te āhua o te tuhituhi i a rātou.
Kāore. He tātai kupu anake - kāore anō kia hono ki tētahi pātengi raraunga, ka whakahaere rānei i tētahi mea.
Ka whakaritea e ia ngā kupu me ngā whakaritenga kī SQL paerewa, nā reira ka mahi pai i runga i te MySQL, PostgreSQL, SQLite, SQL Server me ētahi atu.
Whakawhanake katoa, kāore he pūtea, kāore he tepe - he utauta taha o te kaiuru kāore he mea ki te ine.
He. E haere ana i roto i tōna kaitiaki, nā reira ka mahi te SQL Formatter i runga i ngā pūkoro me ngā tātaitai, tae atu ki te papamuri - kāore he taupānga hei whakatū.
Ko te nuinga o te wā he whāiti noa iho ngā takirua mō tētahi faila pūnoa - ka tīmata te SQL Formatter ki te mahi i te wā e hoatu ana e koe tōna tāuru.
Kāore te whakamahinga ā-wāhanga i te whakawhāititia, i raro i tētahi kōpaka whakamahinga tika e mau tonu ana ki te tere mō ia tangata.
Ko ngā kaiwhainga katoa o nāianei - Chrome, Safari, Firefox me Edge. Kāore e hiahiatia ana e te SQL Formatter he mea whakatūria i waho o te kaiwhainga e whakamahia ana e koe.