SQL databases are pivotal in computer science for data organization and management. They come in various forms, including relational, object-relational, and distributed systems, each serving different industry needs. Relational databases like MySQL ensure transaction reliability, while distributed systems offer fault tolerance. This text delves into their applications, leading DBMSs, and the importance of backup and recovery methods.
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SQL databases are computer science tools used for organizing, retrieving, and managing data
Rows and Columns
Data is stored in a tabular structure with rows and columns, allowing for efficient data operations
SQL databases are vital for maintaining data integrity, enforcing security measures, and supporting various industries such as retail, healthcare, and finance
Relational databases, such as MySQL and PostgreSQL, use tables to store data and ensure reliable transactions
Features and Capabilities
Object-relational databases, like PostgreSQL and Oracle Database, combine relational and object-oriented paradigms for complex data models
Characteristics and Benefits
Distributed databases, such as Cassandra and Amazon Aurora, offer high availability and fault tolerance by distributing data across multiple nodes
MySQL is known for its performance and user-friendliness
Advanced Features
PostgreSQL is favored for its support of complex data types and extensibility
Scalability and Tools
Microsoft SQL Server is recognized for its scalability and comprehensive business intelligence tools
Tools like SQL Server Management Studio and command-line utilities enable automated backups and scheduling
Options for Recovery
Full database backups and point-in-time recovery are critical for mitigating data loss and corruption
Effective backup and recovery strategies are necessary for preserving data within SQL databases
Mastery of SQL databases is essential for IT professionals in various industries
Educational Materials and Tutorials
A plethora of educational materials and online tutorials are available for learning SQL databases
Benefits and Recognition
Certifications from leading entities like Oracle and Microsoft serve as benchmarks of expertise and can enhance career prospects
00
______ databases use a tabular format to store data in rows and columns, ensuring efficient data ______.
SQL
operations
01
ACID properties definition
Set of properties of database transactions: Atomicity, Consistency, Isolation, Durability.
02
Object-relational DB vs Relational DB
Object-relational databases integrate object-oriented features with relational systems, allowing complex data models.
