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64. The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the database, you created a table called HR in your schema. What happens when you execute this query? select * from HR
What is an Oracle Database?
An Oracle database is a collection of data that is organized and managed so that it can be accessed, updated, and controlled by various users. An Oracle database may be used for storing and managing data in a wide variety of applications, such as financial systems, inventory management systems, human resources systems, and customer relationship management systems.
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Is Oracle DB same as SQL?
No, SQL and Oracle Database are not equivalent. The language known as SQL, or Structured Query Language, was created especially for using databases. One such database management system (DBMS) that makes use of SQL is Oracle Database.
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What is Oracle Database Best used for?
The majority of organizations store their crucial data in Oracle Database. This is due to Oracle Database's reputation as a trustworthy and powerful database management solution. Oracle Database is a wonderful option for companies who wish to reduce their IT costs because it is very simple to use.
Additionally, Oracle Database offers a variety of features that can be tailored to a business's unique requirements. You can practice and learn from the most important selection of Oracle Database multiple choice questions and answers on Quizack, which will improve your skill levels or refresh your memory.
Is Oracle easy to learn?
Given that it is dependent on your amount of prior database and SQL familiarity, this is a tricky issue to answer. Oracle might not be the simplest database to learn if you have no prior experience. However, Oracle might not be as challenging to learn as you imagine if you have any database and SQL experience.
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