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For the given table of natural numbers with some missing ones, I need to generate two tables, one showing the beginning of the number gap and the other showing the end of the gap. For example:
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Preparing for an interview involving SQL can be intimidating, but with the right approach, you can succeed. Here are some tips to help you prepare for an SQL interview:- Review SQL syntax: Make sure you are familiar with the basic SQL syntax, including the SELECT, FROM, WHERE, and ORDER BY statements.
- Practice writing SQL queries: Practice writing SQL queries on various data sets. This will help you build confidence and improve your skills.
- Understand database design: Understand the basics of database design, including how to create tables, establish relationships, and enforce constraints.
- Brush up on JOINs: JOINs are a critical part of SQL, so make sure you understand how they work and can write queries using different types of JOINs.
- Learn about indexes: Understand the basics, including how they work, why they are essential, and how to create them.
- Be familiar with standard SQL functions: Learn about common SQL functions, such as COUNT, SUM, AVG, and MAX/MIN. Understand how they are used and when to use them.
- Be ready to explain your thought process: In an SQL interview, it's not just about getting the correct answer. You also need to be able to explain your thought process and demonstrate your problem-solving skills.
- Practice with sample interview questions: Look for sample SQL questions online and practice answering them. This will help you get comfortable with the types of questions you may be asked.
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