Tidalwave Solutions Software Developer Interview Questions, Process, and Tips

Q1. Python, sql, etl, cloud, web tool
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Q1. Functional question and write some sql basic query
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Q1. Basic question on project
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Q1. Salary negotiation and check behaviour qiestion
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Q1. What is the Triggers
Ans. 
Triggers are special types of stored procedures that are automatically executed when certain events occur in a database.
• Triggers are used to maintain referential integrity, enforce business rules, and automate actions in a database.

• They can be set to execute before or after INSERT, UPDATE, or DELETE operations on a table.

• Examples of triggers include auditing changes to a table, updating a related table when a record is
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Q2. What is the Stored Procedures
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Stored procedures are precompiled SQL queries stored in a database for reuse.
• Stored procedures are used to perform specific tasks or operations in a database.

• They can improve performance by reducing the amount of data sent between the database and application.

• Stored procedures can be called from within other SQL queries or from application code.

• They can also help with security by controlling access to data and enforcin
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Leetcode easy-medium

Q1. What is Cyber Security and information security?
Ans. 
Cyber security is the practice of protecting systems, networks, and data from digital attacks.
• Cyber security involves implementing measures to prevent unauthorized access, data breaches, and other cyber threats.

• It includes technologies, processes, and practices designed to protect networks, devices, programs, and data from attack, damage, or unauthorized access.

• Examples of cyber security measures include firewalls, ant...read more
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Q2. What are the types of encryption?
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Types of encryption include symmetric encryption, asymmetric encryption, and hashing.
• Symmetric encryption: Uses the same key for both encryption and decryption, examples include AES and DES.

• Asymmetric encryption: Uses a pair of public and private keys for encryption and decryption, examples include RSA and ECC.

• Hashing: Converts data into a fixed-size string of bytes, examples include MD5 and SHA.
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Q1. What is Indexing in Mysql
Ans. 
Indexing in MySQL is a technique to improve the performance of database queries by creating a data structure that allows for faster data retrieval.
• Indexes are created on one or more columns of a table.

• They help in speeding up the search, sorting, and joining of data.

• Indexes can be created using different algorithms like B-tree, hash, or bitmap.

• Using indexes appropriately can significantly enhance query performance.

• Exam...read more
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Q2. Opps concepts in php
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Object-oriented programming concepts in PHP
• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes based on existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding unnecessary details and exposing only essential features

• Class: blueprint for creating objects

• Object: instance of a class

• Method: function defined inside a class

• Property: variabl
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Q1. Max circular subarray sum
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Q1. Max frequency stack
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Q2. Minimum no of platforms required
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