SQL

SQL interview question with answer 2016. 1. Which is the subset of SQL commands used to manipulate Oracle Database structures,including tables? Data Definition Language (DDL) 2. What operator performs pattern matching? LIKE operator 3. What operator tests column for the absence of data? IS NULL operator 4. What operator tests column for the absence of …

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SQL Interview Questions with Answers 2016. What is normalization? Explain different levels of normalization? Check out the article Q100139 from Microsoft knowledge base and of course, there’s much more information available in the net. It’ll be a good idea to get a hold of any RDBMS fundamentals text book, especially the one by C. J. …

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