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What is difference between TRUNCATE and DELETE?
- Truncate can't be rolled back whereas Delete can be.
- Truncate keeps the lock on table whereas Delete keeps the lock on each row.
- Truncate resets the counter of the Identity column whereas Delete doesn't do so.
- Trigger is not fired in Truncate whereas it happens in Delete.
Design a gennalization and specialization hierarchy for an automobile sales company
What are deadlocks? How can they be avoided? Ans: Deadlock considers to a particular condition when two or more processes are every waiting for another to release a resource,
The First Normal Form (1NF) Let us first describe 1NF: Definition: A relation (table) is in 1NF if 1. There are no duplicate tuples or rows in the relation. 2.
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Critically explained the benefits and limitations of different database technologies with proper examples
Explain what is RDBMS ? RDBMS - RDBMS is a database management system (DBMS) which stores data within the form of relations. Relational databases are powerful since they need f
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How can you terminate the MySQL Server? Typing the following in Command prompt will shut down the server completely as root user % mysqladmin -u root -p shutdown
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