1) A database object used to store and organize data in rows and columns. a) Views b) Tables c) Transactions d) Data Types 2) A virtual table created by a query that retrieves data from one or more tables in the database. a) Tables b) Data Types c) Views d) Replication 3) A database object used to improve the performance of queries by creating a quick reference to the location of data in a table. a) Indexes b) Tables c) Constraints d) Performance Tuning 4) A named block of code that performs a specific task or set of tasks within the database. a) Stored Procedures b) Backup and Recovery c) SQL Queries d) Replication 5) A special type of stored procedure that automatically executes in response to certain events in the database, such as data changes or system events. a) Backup and Recovery b) PL SQL c) Tables d) Triggers 6) A classification of data based on the type of value it represents, such as strings, numbers, dates, and binary data. a) Transactions b) Data Types c) Indexes d) PL SQL 7) A rule or restriction placed on a database object to ensure data integrity and consistency, such as a unique key, a foreign key, or a check constraint. a) Constraints b) Backup and Recovery c) Replication d) Triggers 8) A sequence of database operations that are executed as a single logical unit of work. a) SQL Queries b) Indexes c) PL SQL d) Transactions 9) The process of copying data from one database to another to ensure data availability and improve performance. a) Replication b) Indexes c) Views d) Performance Tuning 10) The process of creating and restoring database backups to protect against data loss or corruption. a) Indexes b) Backup and Recovery c) Triggers d) Transactions 11) The process of optimizing database performance by identifying and resolving performance issues. a) Performance Tuning b) Constraints c) Replication d) Data Types 12) A command used to retrieve and manipulate data in a relational database using the Structured Query Language (SQL). a) Triggers b) SQL Queries c) Constraints d) Data Types 13) A procedural language used to extend the functionality of SQL within the Oracle Database. a) Replication b) PL SQL c) Tables d) Triggers

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