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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

Exclusive Ideas to Prepare Resume for IT-software Jobs

Choosing the correct resume template is the first step to start. Then, the way of showing experience matters. Here are ideas to prepare a resume for all experience levels.


Best resume templates of all experiences levels. Nice to use for Software Engineers.


The resume is the main document to showcase talent. Ensure that you have taken care while writing you used Plain English and checked for grammar errors.

Better resume in four steps

  • Classify a Resume
  • Two page resume is idea for all level
  • Template for freshers
  • Template for experienced

1. Classify Your Resume.

  • 0-1 Year experience.
  • 1- 5 Year experience.
  • 5-10 Year experience.
  • 10-20 Years experience.

2. A Two-page Resume is ideal for all Jobs.

  • A big question is how long a resume should be.
  • A two-page resume is ideal for all experiences - If you just came from a college or an experienced one.

3. Template for Fresher Software Developers.

  • I found some people give address, Date of birth, and four years of Degree marks - essentially No Need, just give your qualification and percentage.
  • Add college projects, extra-curricular activities, and internships.
  • Ensure E-mail and the Mobile number present on top of the Resume.
  • Here is entry level resume

4. Template for Senior Software Developers.

  • Write project details on the second page - technical skills and a little description would make sense.
  • Company names, Education, and Achievements ensure to give on the first page.
  • Here is an experienced Software Engineer Sample Resume

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