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03 Data Definition LanguageQuestions & Answers
Master 03 Data Definition Language with verified practice questions, step-by-step logic, and deep conceptual explanations.
Study Guide & Core Focus Areas
When reviewing 03 Data Definition Language, pay special attention to edge cases, time/space complexity tradeoffs, and syntax nuances. Attempt each question independently before revealing the explanation to reinforce active recall.
Topic Question Index
A table consists of ______ primary keys.We need to ensure that the amount withdrawn should be less then the credit card limit amount, to ensure this integrity what type c…Which of the following options is not correct?An emp table contains fields employ name, desig and salary. How do you drop column salary?Which of the following is not modification of the databaseIn a relational database a referential integrity constraint can be done using___________ removes data from the table, but structure remains the same.A relational database consists of a collection ofColumn header is referred asPractice more topics
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