React js 7/12/2024
1. use Module.js for import and export. module is ES6 features. 2. for install react using vite npm create vite@latest . -- --template=react
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My Sql Query ..
1. select product_id from products where low_fats = 'Y' && recyclable = 'Y' ; 2. select name from customer where referee_id != 2 || referee_id is null ; 3. select name, population , area from world where area > 3000000 or population > 25000000 ; 4. select distinct author_id as id from Views where author_id = viewer_id order by id; 5. select tweet_id from tweets where char_length (content) > 15 ; 6. select unique_id, name from Employees left join EmployeeUNI on Employees.id = EmployeeUNI.id; 7. select customer_id , count (visits.visit_id) as count_no_trans from visits left join transactions on visits.visit_id = transactions.visit_id where transaction_id is null group by customer_id; 8. SELECT w1.id FROM Weather w1, Weather w2 WHERE DATEDIFF(w1.recordDate, w2.recordDate) = 1 AND w1.temperature > w2.temperature;
Interview question laravel.
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