#Postgresql: How to Alter existing table #PostgreSQL #Postgres #Database #SQL #OpenSource #DBMS

✌ Quick YouTube links to access Postgresql lessons for the beginners.

✏ https://youtu.be/fO5mUenjr88
✏ https://youtu.be/hXxPMrV4Frg
✏ https://youtu.be/_WKEkzOJVE8

✌ Key characteristics of PostgreSQL include:

💢 ACID Compliance: PostgreSQL ensures data integrity by following the ACID (Atomicity, Consistency, Isolation, Durability) properties, making it suitable for critical applications.

💢 Extensibility: It supports the creation of custom functions, data types, and operators, allowing developers to add new features or functionalities.

💢 Multi-Version Concurrency Control (MVCC): This enables multiple transactions to occur concurrently without interfering with each other, improving performance in high-traffic environments.

💢 Advanced Data Types: PostgreSQL offers a wide range of data types, including native support for JSON, XML, and geospatial data.

💢 Full Text Search: It provides advanced text search capabilities, making it suitable for applications like content management systems.

💢 Triggers and Stored Procedures: PostgreSQL supports triggers and stored procedures, allowing for complex business logic to be implemented directly in the database.

💢 Replication and High Availability: It offers various replication methods for data redundancy and high availability, ensuring that databases remain accessible in case of failures.

💢 Scalability: PostgreSQL can handle large volumes of data and has support for partitioning to distribute data across multiple servers.

💢 Security: It provides robust security features, including role-based access control, SSL encryption, and password protection.

💢 Community and Ecosystem: PostgreSQL has a large and active community, which contributes to ongoing development, support, and the availability of a wide range of extensions.

💢 Overall, PostgreSQL is a versatile database system suitable for a wide range of applications, from small-scale projects to enterprise-level solutions, and it is widely used in industries ranging from finance and healthcare to web applications and analytics.

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