UKG Interview Questions, Process, and Tips

1 coding question, 19 mcqs on dsa, c++, java, cs fundamnetals

Q1. Swap of numbers
Ans. 
Swapping two numbers without using a temporary variable.
• Use XOR operation to swap two numbers without using a temporary variable.

• Example: a = 5, b = 10. After swapping, a = 10, b = 5.
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Q2. Networking ckmmands
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Q1. Kubernetes services
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Q2. Ingress, golang
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Normal question, train, speed type of question from indiabix

Simple code, java 8 questions, some spring related questions

Q1. Couple of questions on joins. Two tables were given and result was asked for different joins.
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Q2. Different window functions and analytical functions.
Ans. 
Window functions are used to perform calculations across a set of rows in a table, while analytical functions compute values based on a group of rows.
• Window functions include functions like ROW_NUMBER, RANK, and LAG.

• They are used to calculate running totals, moving averages, and cumulative sums.

• Analytical functions include functions like SUM, AVG, and COUNT.

• They are used to compute aggregate values within a group of ro
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Q3. Create table with foreign keys and primary keys
Ans. 
A table with foreign keys and primary keys is created to establish relationships between tables.
• Foreign keys are used to link a column in one table to the primary key of another table.

• Primary keys uniquely identify each record in a table.

• Foreign keys ensure referential integrity and maintain data consistency.

• Example: Creating a 'Orders' table with a foreign key 'customer_id' referencing the 'Customers' table's primary
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Q4. Get only select few data from table based on requirement given
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Q1. Situation vs approach questions. If such and such situation happens, how would you approach it.
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Q1. Javascript question Diff b/w function declaration and expression, types of scope, Call,bind and apply,
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Q1. Lexical Scope and questions based on scope
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There are coding as well as DevOPS questions.