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What was the method in which records are physically stored in a specified order according to a key field in each record ?
A method in which records are physically stored within a specified order according to a key field in every record is hash. (In hash method, a hash function is performed on the key value to determine the unique physical address of the record to store or retrieve)
what is meant semantic query optimization? how does it differ from other query optimization techniques?
Data Definition Language It organises the data in the form of columns and rows. But what does the data field column of table accumulate? How do you describe it using SQL? Th
Determine the benefits of Object oriented design OOD also gives reusability, which saves time, costs and productivity gains through direct mapping to properties of Object-Orie
What Is Recovery? During the life of a transaction, i.e., a after the start of a transaction but before the transaction commits, various changes may be made in a database state
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
What are the different kinds of database end users? Discuss the major activities of each? End-Users - End-users are the people whose jobs need access to the database for que
Problem: a) Briefly describe what you understand by Client-Server environment b) The File Server is a simple form of Client-Server. Describe the principles of the File Serve
List and explain the memory constructs of the Oracle 12c databases?
WHAT IS DATABASE TECHNOLOGIES
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
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