Oracle Q/A

Hot backup is also recognized as an online backup because the backup happens while the database is active and running....

The main four types of backups in Oracle are: (ⅰ) COLD Backup (ⅱ) HOT Backup (ⅲ) Import – Export Backup...

There are two types of synonyms: public and private. A public synonym isn’t part of any schema. A public synonym...

A synonym is an identifier that can be used to reference another database object in a SQL statement. A table, view,...

A DBA has the authority to create new users, remove the existing users, or modify any of the environment variables...

Five physical components are there in Oracle Database:

There are many databases available in the market. The commonly used databases are Oracle, IBM db2, Microsoft SQL Server, Microsoft Access,...

Oracle is capable of maintaining and using indexes. It automatically distributes the data into relevant indexes when any change is...

Indexes are used for easy access to data. In addition, it is used to increase the performance of retrieval data. It helps...

An index is an optional structure associated with a table to have direct access to rows that can be created...