Are you preparing for a job interview as a developer? If yes, you have come to the right place. This book contains a pool of 30 carefully selected SQL coding tasks, most often asked by recruiters. Less than 100 pages include deeply-explained, most commonly used data manipulation queries, relationships modeling, aggregation, sorting, table joins, index and other top topics to discuss during the job interview. If you prepare yourself for a job interview with this book, there is no need to wish you good luck. Find yourself a dream job, and be happy.