ItJunction4all @[email protected]
13K subscribers - no pronouns :c
My name is Sunil Kumar. I am a Software Engineer. I have cre
Welcoem to posts!!
in the future - u will be able to do some more stuff here,,,!! like pat catgirl- i mean um yeah... for now u can only see others's posts :c
Data Analyst Vs Data Engineer Vs Data Scientist
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Did you experience this ???
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ITJunction4All wishes you all Happy Diwali 🎇🪔
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Given table Emp(null represents blank value):
NAME
-----------
"John"
null
"Mary"
null
"Albert"
"Cindrella"
"Mark"
What will be the output for the below 2 queries:
Q1) SELECT COUNT(*) FROM Emp;
Q2) SELECT COUNT(name) FROM Emp;
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In SQL, what is the difference between CHAR and VARCHAR data types ?
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Which is faster UNION OR UNION ALL in SQL ?
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What will be the result of below SQL query ?
SELECT SUM(Salary) , COUNT(SALARY) FROM Employees (Assume there are no records in the table )
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What is the difference between ISNULL and COALESCE sql function?
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Happy Chatth Puja🙏🙏
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Happy Diwali to All ! May your life be filled with endless joy and achievements !
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My name is Sunil Kumar. I am a Software Engineer. I have created YouTube channel ITJunction4All to share my knowledge. I will be posting videos on SQL, Python and Excel tutorials and interview questions & answers. I am hoping that whoever follows my channel will be benefiting from it. Lastly, if you are new to my channel, please subscribe my channel for all future video updates. I can assure that my channel will impart good knowledge to all my viewers.
Thanks