Category: Oracle
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Oracle Architecture
Hi guys, in this blog I am going to explain you about Oracle Architecture. Oracle Architecture- The relational database management system (RDBMS) known as Oracle Database was developed and commercialized by Oracle Corporation. One of the most widely used RDBMSs available, it is used to store and retrieve data for a variety of purposes. The…
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In Depth Oracle Import and Export
Hi guys, in this blog I am going to explain you about In-Depth Oracle Import and Export. Export In 0racle- In the context of databases, “export” refers to the process of extracting data from a database and saving it to an external file or another storage format. This process allows you to create a snapshot…
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R-MAN BACKUP
Hi guys, in this blog I am going to explain you about R-MAN BACKUP. Archivelog : Archive log mode permits complete recovery from disk failure as well as instance failure, because all changes made to the database are permanently saved in an archived redo log. These redo log files are used with backups of your data files to…
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Indexes in Oracle
Hi guys, in this blog I am going to explain you about Indexes in Oracle. Indexes in Oracle- In Oracle Database 19c, as in previous versions, indexes play a crucial role in enhancing query performance by providing a faster access path to data. Here are some key aspects of indexes in Oracle 19c: B-Tree Indexes-…
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Oracle Table Partitions
Oracle Table Partition Table partitioning in Oracle is a database feature that allows you to divide a large table into smaller, more manageable segments called partitions. Each partition is an independent unit that stores a subset of the data in the table. Partitioning is designed to improve performance, simplify data management, and enhance maintenance tasks,…
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Move Database file from one directory to another in Oracle
Hi guys, in this blog I am going to explain you about Move Database file from one directory to another in Oracle In Oracle, you can move a database file from one directory to another using the ALTER DATABASE statement. Here are the general steps you can follow: Step 1 – Create new directory in Linux…
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Oracle Deadlock
A deadlock in Oracle occurs when two or more transactions are blocked, each waiting for the other to release a lock. This situation creates a circular dependency where neither transaction can proceed, and the database system needs to resolve the deadlock. Oracle employs a mechanism to detect and resolve deadlocks automatically. For example, Transaction A…
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Data Security and Encryption in Oracle 19c
Overview: Hi guys, in this blog I am going to explain you about Data Security and Encryption in Oracle 19c.This blog topic will cover the new data security and encryption features available in Oracle 19c. These features aim to provide comprehensive data protection for sensitive data while maintaining compliance with data protection regulations. Features: Some…
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Oracle Database logs
Oracle Database logs Oracle Database logs can provide valuable information about the database’s health, performance, and any issues that might have occurred. Here are several ways to check Oracle Database logs: Alert Log: The Oracle Alert Log is a primary source of information about the database. It contains messages about database startup, shutdown, errors, and…
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Overview of the Optimizer in oracle 19c and Types of Optimizer
In Oracle 19c, the optimizer plays a crucial role in optimizing SQL statements. The optimizer uses various strategies to transform the SQL statements into an optimal plan, thereby minimizing the overall cost of execution. In this blog, we will provide an overview of the optimizer in Oracle 19c. The Optimizer in Oracle 19c: The optimizer…
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Data Integrity
Introduction to Data Integrity It is important that data maintain data integrity, which is adherence to business rules determined by the database administrator or application developer. Business rules specify conditions and relationships that must always be true or must always be false. For example, each company defines its own policies about salaries, employee numbers, inventory tracking,…
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System Views in Oracle
In Oracle Database, the concepts of “system view” typically refer to different types of views that provide access to metadata and information about the database objects. Let’s delve into each of these concepts: System Views: System views are also known as data dictionary views or catalog views. These views are part of the Oracle data…
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