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Copy Data from One Database to another Database Project Description: I am having two MySQL databases with same tables. I just need to copy one Data from one to another dat
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
Scenario 1: Power goes out after the first instruction. What happens?
Define what Immediate database modification technique uses? Ans: Both undo and redo.
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
What is the use of with clause in SQL? The with clause gives a way of defining a temporary view whose explanation is available only to the query in which the with clause occurs
What do you mean through integrity constraints? Integrity Constraints -An integrity constraint is a condition specified on a database schema and restricts the data in which
What are the advantages of creating a table from existing table?
How can you map NULL values to other values while display? IF( ) , IFNULL( ) keywords are used to do so. They are 'LIMIT' is used for the following kinds of problems: 1) Ans
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