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Describe Database state in details?
Database state: The actual data within the database at a particular moment in time is known as a database state.
Project Description: I am having a random problem with my Wordpress site. If I click on "Publish" and "Add new", it takes me to a 404 page not found of /wp-admin/post.php (th
what is Mapping Constraints? with examples
Explain differance between Primary and secondary storage ? Primary and secondary storage Computer storage is classified within primary(main) memory and secondary(per
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that
Explain Instance and schemas? Instances and schemas: Databases changes over time as the information is deleted and inserted. The collection of information stored in database
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
Advantages of Data Distribution The primary benefit of distributed database systems is the ability to access and share data in a reliable and efficient manner.
The Maximum no of key fields that can be used in a header is?? 50
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
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