Mahindra Teqo Senior Engineer Interview Questions and Answers for Experienced

Wrute a python function that recreve a linked list

Engineering knowledge test

Q1. Atmosphere pollution
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Q2. Sea pollution and machineries technical questions
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Q3. Audit , Survey, technical maintenance and management
Ans. With audit work, Survey work and maintenance, management, audit & survey was passed
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Q1. When does a declare block become mandatory
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A declare block becomes mandatory when a variable needs to be declared before it can be used.
• A declare block is used in programming languages to define variables and their types.

• It becomes mandatory when a variable needs to be declared before it can be used in the code.

• This ensures that the variable is properly initialized and can be accessed correctly.

• For example, in C programming, a declare block is mandatory at the ...read more
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Q2. Differentiate between implicit cursor and explicit cursor
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Implicit cursor is automatically created by the Oracle server, while explicit cursor is explicitly declared by the programmer.
• Implicit cursor is used for single-row queries, while explicit cursor is used for multi-row queries.

• Implicit cursor does not need to be explicitly opened, fetched, or closed, while explicit cursor needs to be explicitly opened, fetched, and closed.

• Implicit cursor is suitable for simple queries, ...read more
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Q3. Is it possible to declare column which has the number data type and it's scale large than the precision like column (10,100) column name Number (10,-84)
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No, it is not possible to declare a column with a scale larger than the precision.
• The scale of a number data type represents the number of digits to the right of the decimal point.

• The precision of a number data type represents the total number of digits, including both the whole and decimal parts.

• In the example given, the scale (-84) is larger than the precision (10), which is not allowed.

• The scale should always be equ
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Q1. Abour that job role questions
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