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SQL Interview Success: Unlocking the Top 5 Frequently Asked Queries

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 Here are the five top commonly asked SQL queries in the interviews. These you can expect in Data Analyst, or, Data Engineer interviews. Top SQL Queries for Interviews 01. Joins The commonly asked question pertains to providing two tables, determining the number of rows that will return on various join types, and the resultant. Table1 -------- id ---- 1 1 2 3 Table2 -------- id ---- 1 3 1 NULL Output ------- Inner join --------------- 5 rows will return The result will be: =============== 1  1 1   1 1   1 1    1 3    3 02. Substring and Concat Here, we need to write an SQL query to make the upper case of the first letter and the small case of the remaining letter. Table1 ------ ename ===== raJu venKat kRIshna Solution: ========== SELECT CONCAT(UPPER(SUBSTRING(name, 1, 1)), LOWER(SUBSTRING(name, 2))) AS capitalized_name FROM Table1; 03. Case statement SQL Query ========= SELECT Code1, Code2,      CASE         WHEN Code1 = 'A' AND Code2 = 'AA' THEN "A" | "A
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6 Worth-it Cloud Security Courses

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Cloud security is critical to run cloud-applications. I have shared few courses useful for cloud security.

To get a job you need good training. Security courses are currently hot in the market.
  1. Cloud Security Hands-On Training: This course provides a solid foundation in cloud security, and includes a full day of hands-on labs to apply the principles in practice. We cover all the material needed to pass the Cloud Security Alliance Certificate of Cloud Security Knowledge (CCSK) exam, but add a pragmatic approach to immediate kick start your cloud security projects. For Black Hat we also add expanded material to show you how to take cloud security to the next level by leveraging DevOps techniques and the characteristics of the cloud.
  2. Cloud Security Fundamentals: An overview of security issues within each of these models will be covered with an in-depth discussion of the risks involved. This cloud security training course will go in-depth on architecture and infrastructure fundamentals for private, public and hybrid clouds, including a wide range of topics such as patch and configuration management, virtualization security, application security and change management. 
  3. Institute of information Security: In this course, we shall first discuss the characteristics of cloud computing and later on focus specifically on cloud security’s best practices taking reference from industry standards like NIST, OWASP, Cloud Security Alliance etc. We then look into the broad set of policies, technologies, and controls deployed to protect client data, applications and infrastructure associated with cloud computing.
  4. Cloud Security Training: In this course you will learn Virtualization Concepts and security, Risk Assessment on Cloud Migration and Emerging Threats
  5. Certification in Cloud Security:
  6. Cloud Security Essentials: In this course you will learn about Cyber-cloud and Mobile-security concepts.

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