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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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Quick Guide to AI Prompt Engineering

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Here are roles & responsibilities of AI prompt engineer, which has growing demand in the USA and the rest of the world. The new Prompt engineering is a process that designs effective and engaging conversation starters for chatbots and virtual assistants.


Guide


Guide on Prompt Engineering



A key aspect of chatbot development, prompt engineering involves a deep understanding of user interests and behavior, as well as the ability to create prompts that are both relevant and varied. 

Discover more about the importance of prompt engineering and its role in creating successful chatbots and virtual assistants.

Prompt Writer for Apps like ChatGPT


A prompt writer for an app like ChatGPT is someone who creates prompts or conversation starters for the chatbot to engage users in conversation. These prompts are designed to be interesting, relevant, and varied to keep users engaged and encourage them to keep interacting with the chatbot.


Prompt writers for chatbots like ChatGPT often have a background in creative writing, marketing, psychology, or other related fields. They may work closely with developers and designers to ensure that the prompts align with the overall goals and objectives of the app and are presented in a visually appealing and user-friendly way.


Responsibilities



Some of the key responsibilities of a prompt writer for an app like ChatGPT may include researching user interests and trends, creating new prompts and updating existing ones, testing prompts to ensure they are effective, and collaborating with other members of the app development team to improve the overall user experience.


Overall, the role of a prompt writer is critical to the success of a chatbot like ChatGPT, as the quality and variety of prompts can directly impact user engagement and satisfaction.


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