Mahmoud @JavaDataPro

Java developer/scala spark Joined June 2018

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Mahmoud @JavaDataPro

4 months ago

I’m a Java backend developer working with Spring Boot and microservices. If you’re building something and need help with backend logic, APIs, or data persistence, feel free to DM

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Mahmoud @JavaDataPro

4 months ago

@Janpanah2004 الهی آمین

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Mahmoud @JavaDataPro

4 months ago

@Pishibiamanoyam انشالله خوب میشن ، خدا بزرگه ، توکل کنید به خدا

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Mahmoud @JavaDataPro

4 months ago

@Janpanah2004 انشالله خوب میشه ، توکل کنید به خدا حتما خوب میشه خدا حیلی بزرگه

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Mahmoud @JavaDataPro

4 months ago

@Zahra_Izadinia به نظر ،با اکثریت بالا ،اینطور به نظر میرسه

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Mahmoud @JavaDataPro

4 months ago

@SumitM_X Offset-based pagination for large data not good so I used Instead of page numbers, use a cursor (last seen value). after that I used index to db

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Mahmoud @JavaDataPro

4 months ago

@SumitM_X only use count(*) because optimize ans standard approch so count(*) not count rows

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Mahmoud @JavaDataPro

4 months ago

@SumitM_X it won’t compile

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Mahmoud @JavaDataPro

4 months ago

@MMMahmoodian فکر نکن ، بهتر میشی

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Mahmoud @JavaDataPro

5 months ago

@RealBenjizo I think , Count(*) is an aggregate function so return 10 I chose A

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Mahmoud @JavaDataPro

5 months ago

@SumitM_X We can split the table into customers and customer_payload tables and create a relationship between them

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Mahmoud @JavaDataPro

5 months ago

@RealBenjizo The behavior of COALESCE is to return the first non-NULL value, so the result is zero

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Mahmoud @JavaDataPro

5 months ago

@MMMahmoodian مهندس ،سعی کنید کلا کمتر مصرف کنید

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Mahmoud @JavaDataPro

5 months ago

Happy New Year to all people around the world.

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Mahmoud @JavaDataPro

5 months ago

@CyberRacheal I chose C , Purging means fully erasing data so nothing from the original remains. Normal delete or overwrite may not be enough.

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Mahmoud @JavaDataPro

5 months ago

I’m a Java backend developer working with Spring Boot and microservices. If you’re building something and need help with backend logic, APIs, or data persistence, feel free to DM