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I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
SCD stands for Slowly Changing Dimensions. SCD1, SCD2, and SCD3 are different types of handling changes in data over time.
SCD1: Overwrites old data with new data, no history is kept.
SCD2: Adds new records for new data, keeps history with effective start and end dates.
SCD3: Adds new columns to track changes, keeps history within the same record.
I applied via Referral and was interviewed before Mar 2021. There were 2 interview rounds.
I applied via Walk-in and was interviewed before Jun 2021. There were 3 interview rounds.
Current Technologies
Duration 1 hr, Coding,GK and English
I applied via Referral and was interviewed in Nov 2020. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 2 interview rounds.
Quite tough and interesting and good questions
Quite tough and interesting and goodnpanel of members
I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.
Split alpha-numeric values in Java without using split method
Iterate through each character in the input string
Check if the character is a digit or a letter using Character.isDigit() and Character.isLetter() methods
Create separate strings for digits and letters and store them in an array
Use ALTER TABLE statement to add a new column with a default value and set it to NOT NULL
Use ALTER TABLE table_name ADD column_name data_type DEFAULT default_value NOT NULL;
Example: ALTER TABLE employees ADD hire_date DATE DEFAULT '2022-01-01' NOT NULL;
I applied via Recruitment Consulltant and was interviewed before Jun 2023. There was 1 interview round.
I applied via Naukri.com and was interviewed before Oct 2022. There were 4 interview rounds.
Remove duplicates in a string array
Iterate through the array and use a Set to store unique strings
Convert the Set back to an array to get the final result
Remove spaces in a string
Use string.replace() method with regex to replace spaces with empty string
Alternatively, loop through each character in the string and build a new string without spaces
Consider trimming the string first to remove leading and trailing spaces
Testing is the process of evaluating a system or application to identify defects or errors.
Testing involves executing software to find bugs or issues.
It ensures that the software meets the specified requirements.
Types of testing include functional, performance, security, and regression testing.
Examples of testing tools include Selenium, JUnit, and Postman.
Remove duplicate strings in an array and count occurrences of each string.
Iterate through the array and use a Set to remove duplicates.
Use a HashMap to count occurrences of each string.
Return the unique strings and their counts.
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