Top SQL Queries for Interviews Check out the 50 most-asked SQL query interview questions. 50 QuestionsSQL Practice Questions We need your support to run this blog, so share this post on your social media accounts likeFacebook/Twitter. This is how you will encourage us to come up with more ...
During the technical interview, we can face some query reading questions to understand our SQL query reading capabilities. For this reason, we need to make some SQL practice to improve our query reading skills. For example, the following question, which seems very simple but contains a ...
SQL Practice #2 – Combining Subquery & Aggregate Function Write a query that returns customer id and name and the number of calls related to that customer. Return only customers that have more than the average number of calls of all customers. ...
Practical SQL Query Interview Questions (SQL Server Queries examples with answers) In this part, we will see SQL practice questions which contain both complex SQL queries interview questions and basic SQL Interview Questions. Let’s see important SQL queries for interview 76. How to get unique rec...
SQL Practice - July 3,18 One day off for yesterday because of overtime work. Again, two questions for today. Question 1:Consecutive Numbers Source: Leetcode Write a SQL query to find all numbers that appear at least three times consecutively....
These questions include SQL interview questions for freshers and experienced, as well as SQL query interview questions. 1. What is the difference between a primary key and a unique key? 2. What is a constraint, and why use constraints? 3. What is the COALESCE function? 4. What are UNION...
Here are 5 practice interview questions to get you started.New: Sign up for a free SQL mini-course Make sure you're prepared for the interview that could change your career. Sign up to receive five free must-learn lessons in preparation for your SQL interview. Start preparing today! First...
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picture of what to expect from an interview perspective. More exposure to the SQL environment is necessary to crack the SQL interview; this can be attained by studying SQL in-depth. In order to evaluate key SQL principles, you must also practice SQL query interview questions and keep reading....
SQL Interview Questions1. What is Pattern Matching in SQL? SQL pattern matching provides for pattern search in data if you have no clue as to what that word should be. This kind of SQL query uses wildcards to match a string pattern, rather than writing the exact word. The LIKE operator...