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I applied via Recruitment Consulltant and was interviewed in Jan 2022. There was 1 interview round.
Joins are used to combine data from two or more tables based on a related column between them.
Use JOIN keyword followed by the name of the table to join
Specify the columns to be selected using SELECT keyword
Use ON keyword to specify the related column between tables
Types of joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
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I applied via Naukri.com and was interviewed before May 2020. There were 4 interview rounds.
Swapping two numbers without using a third variable
Use arithmetic operations to swap the values
Add the two numbers and store the result in the first variable
Subtract the second number from the result and store it in the second variable
Subtract the second variable from the first variable to get the original value of the second variable
I applied via LinkedIn and was interviewed in Aug 2023. There were 4 interview rounds.
I appeared for an interview before Apr 2024, where I was asked the following questions.
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
It have some aptitude question and 2 coding question
Quant verbal LRDI ,normal question
Dsa array and 2D array
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
It is pretty good only.
ACID properties are a set of properties that guarantee database transactions are processed reliably.
Atomicity: Transactions are either fully completed or fully aborted.
Consistency: Database remains in a consistent state before and after the transaction.
Isolation: Transactions are isolated from each other until they are completed.
Durability: Once a transaction is committed, changes are permanent.
Example: Transfer of fun...
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