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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

How to Show Data Science Project in Resume Correctly

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The data scientist resume should have mentioned the project correctly. Here are my ideas on how to show the project in the resume. How to Show Data Science Project? 1. Preparation of Resume .  The first step for an interview for any project is you need Resume. You need to tell clearly about your resume.  2. Answering about Project.   In interviews, you will be asked questions about your project. So the second step is you need to be in a position to explain the project. 3. Answering your Project Role.  The third point is you need to explain the roles you performed in your data science project. If you mention the roles correctly, then, you will have a 100% chance to shortlist your resume. Based on your experience your resume can be 1 page or 2 pages .  4. Technologies in the Resume. In interviews, again they will be asked how you used different tools to complete your data science project. So, you need to be in a position to explain how you used different options present in the tools.  S

Exclusive Ideas to Prepare Resume for IT-software Jobs

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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. 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-curricula

7 Amazing Ideas to Make Resume for First Job

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Resume writing is a skill. Out of a thousand applications, only a few would shortlist for the next process. Here are my ideas to provide in your resume before you send it out. Resume format How to make resume format Give Mobile number and E-mail on the top of your resume. Use MS-word to format it. Organize information using bullets wherever the need. Check Spell and Grammar. Two pages are ideal for any type of job. 7 Amazing ideas Detailed resume ideas Provide genuine-experience. Transferable skills such as Public-speaking, Customer-communication - good to mention. Provide previous experience in reverse order - last-in-first. Keep educational qualification after the experience. No need to mention weaknesses. Add awards you received during your employment. Not required salary details.