TEKsystems Interview Questions, Process, and Tips

Q1. Basics quotation on informatica
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Q2. Basic questions on sql
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Q3. Basic questions on oracle
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Q1. Java Basics, Spring, springBoot, Hibernate.
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Q1. Java, spring, springboot, Hibernate, logical programing, microservices
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Q1. System design, micro services
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Easy questions related to DSA and Python and SQL

Q1. Query to join two table using different joins
Ans. 
Query to join two tables using different joins
• Use INNER JOIN to return rows that have matching values in both tables

• Use LEFT JOIN to return all rows from the left table and the matched rows from the right table

• Use RIGHT JOIN to return all rows from the right table and the matched rows from the left table

• Use FULL JOIN to return rows when there is a match in one of the tables
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Q2. Delete and truncate difference
Ans. 
Delete removes rows from a table while truncate removes all rows from a table.
• Delete is a DML command while truncate is a DDL command.

• Delete operation can be rolled back while truncate operation cannot be rolled back.

• Delete operation is slower than truncate operation.

• Example: DELETE FROM table_name WHERE condition; TRUNCATE TABLE table_name;
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Q1. Easy HR questions related to your previous experience
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Q1. Tell em about yourself
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Q1. Quick sort and Project
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Q1. About business analyst scenario
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Q1. About business analyst scenario
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Q1. All about Java basics
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Q2. Object oriented programming concepts
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