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Data Definition LanguageQuestions & Answers
Practice 11 Data Definition Language questions with detailed answers and explanations. Tap any question below to study the full solution.
Data Definition Language question list
Which command is used to change a table's behavior?We need to ensure that the amount withdrawn should be less then the credit card limit amount, to ensure this integrity what type c…An emp table contains fields employ name, desig and salary. How do you drop column salary?How would you add a foreign key constraint on the dept_no column in the EMP table, referring to the id column in the DEPT table?A table consists of ______ primary keys.__________ command is used to delete the records and _________ command is used to delete the db objects?Which of the following options is not correct?Which of the following is not modification of the database?Which of the following data models supports many-to-many relationships?Which of the following is not a part of RDBMS?Which of these are standard and best practises for SQL?Practice more topics
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