Oracle is a popular database management system used by businesses worldwide. This system provides various features such as high scalability, reliability, and security. As with any software, there are specific terminologies, concepts, and features unique to Oracle.
In this article, we will discuss some common English expressions used in Oracle and their meanings.
Database Management System (DBMS)
A DBMS is a software system designed to manage data. It allows users to store, retrieve, and manipulate data in various forms such as text, numbers, images, and so on. Oracle is a comprehensive DBMS that can manage large volumes of data.
Structured Query Language (SQL)
SQL is a language that allows users to interact with a DBMS. It is used to retrieve, insert, update, and delete data from a database. SQL is the most common language used with Oracle.
SQL*Plus is a command-line interface that allows users to enter and execute SQL statements and scripts. It is a popular tool for managing Oracle databases.
The data dictionary is a set of tables and views that contains information about the database’s structure, objects, and users. The data dictionary is an essential component of any Oracle database.
Tablespaces are logical storage containers that contain database objects such as tables, indexes, and clusters. They are used to separate database objects based on their I/O characteristics and storage requirements.
Redo logs are a set of files that record all changes made to a database. These logs are used to recover the database in the event of a failure or disaster.
Rollback segments are used to store data changes that may need to be undone. They are used to ensure that the database remains consistent in the event of a rollback.
Backup and Recovery
Backup and recovery refer to the process of creating backups of the database and restoring it to a previous state. This process is essential for maintaining the integrity and availability of data.
Data integrity refers to the accuracy, completeness, and consistency of data. Database constraints such as primary keys, unique constraints, and foreign keys help ensure data integrity.
1 Performance Tuning
Performance tuning refers to the process of optimizing the database’s performance. This involves identifying and resolving performance bottlenecks to improve the database’s responsiveness.
In conclusion, Oracle is a complex DBMS that requires a good understanding of its features and terminology. We hope this article has provided you with some insights into the English expressions used in Oracle.