SQL stands for Structured Query Language, and SQL developers create SQL databases and the applications that work with them. They often use design tables and storing procedures for stability, reliability, and performance. In an SQL developer interview, employers often ask questions about your programming knowledge and problem-solving skills.
Uma das perguntas mais interessantes foi em relação a parte técnica, na qual relataram problemas do cotidiano e como esses problemas foram resolvidos. Isso foi importante para checar se há um alinhamento técnico de fato do entrevistado com a parte técnica.
why do you interested in being a SQL developer and related experience.
What is normalization?
Why do I want to work here
They asked me to analyze a few data sets in a shell environment. I had to use Python or SQLite
What is a configuration file?
SQL Joins, Aggregation functions, substring, sql queries based on the interviewer's conditions, Java oops concepts, Normalisation- removing redundancy, small puzzles
Combien d'années d'expérience avec l'outils SSIS
Window Function Challenge "Find the second highest salary for each department." Customer Behavior Case "Write a query to find customers who made more than 3 purchases in the last 6 months." Retention Analysis "How would you calculate customer retention month over month?" Complex Joins Scenario "You have tables: orders, users, products. Get the top 5 users by total purchase amount in the last quarter."
They asked Join Queries , Normal Table Queries etc .
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