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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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Trends In Digital Marketing in 2014-2015

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Digital marketing uses various tools for digital marketing functions such as sales CRM, marketing automation, e-commerce, e-mail, WCM, web analytics, and social CRM.

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Skills for Digital Marketing You Need

All these software tools collectively help an organization to develop and implement effective marketing strategies.
Tools for Global Digital Marketing
  • These tools are developed to serve specific functions in the Global Digital Marketing market as explained below:
  • Sales CRM manages customer interaction and aligns an organization's sales process such as order tracking, sales performance, and distribution.
  • Marketing automation enhances the capabilities of the marketing department of any organization to design strategies, automate processes, and improve customer communications, and also operates either as standalone software or as a major component of CRM software.
  • E-commerce software offers advanced capabilities for searching, order management, cart management, and content management, as well as marketing and reporting capabilities.
  • E-mail marketing software enables organizations to reach out to customers directly through emails and helps to automate the marketing process by offering more sales leads.
  • WCM is a software tool used to create, manage, store, and deploy content on the internet. The content may be in the form of text, audio, graphics, videos, and photos.
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