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This edition of SQL Practice Problems assumes that you have some basic background knowledge about relational databases and tables. However, I’ve added some beginner level questions to gradually introduce the various parts of the SQL Select statement for those with less experience in SQL.
29 sie 2024 · Practice with 50 basic to advanced SQL queries commonly asked in interview questions, run them live, find answers, and secure your dream job.
Questions: 1) Write an SQL query that returns the project number and name for projects with a budget greater than $100,000. 2) Write an SQL query that returns all works on records where hours worked is less than 10 and the responsibility is 'Manager'. 3) Write an SQL query that returns the employees (number and name only) who have a
22 paź 2024 · These exercises are designed to provide hands-on experience with common SQL tasks, from basic retrieval and filtering to more advanced concepts like joins window functions, and stored procedures. Practice SQL questions to enhance our skills in database querying and manipulation.
SQL Practice Questions - Solution 1. For the following relation schema: employee(employee-name, street, city) works(employee-name, company-name, salary) company(company-name, city) manages(employee-name, manager-name) Give an expression in SQL for each of the following queries:
The document contains questions and answers related to SQL queries on databases and tables. It includes queries to: 1) Create a database and table, describe tables, insert values, view table contents, update values, modify table structure, rename tables, find distinct values, and use logical, aggregate and other functions.
1) Write about fundamental relational, additional and extended relational algebra operations in detail. 3) Write about SET operations and aggregate functions in SQL. 6) Explain about various...
