Sybase DBMS(database management system)

1. Relational Model: Organizes data into tables with rows and columns.
2. SQL Support: Allows querying, updating, and managing data using SQL.
3. Transaction Processing: Efficient handling of large volumes of transactions.
4. High Availability: Provides clustering and replication for fault tolerance.

Before learning Sybase DBMS, it's beneficial to have the following skills:

1. Database Fundamentals: Understanding of basic database concepts such as tables, queries, and transactions.
2. SQL Knowledge: Proficiency in writing SQL queries for data retrieval, manipulation, and management.
3. Relational Database Concepts: Familiarity with concepts like normalization, indexing, and relational algebra.
4. Operating System Basics: Basic knowledge of operating systems and command-line interfaces for installation and configuration.

By learning Sybase DBMS, you gain the following skills:

1. Database Management: Ability to design, implement, and manage databases using Sybase.
2. SQL Proficiency: Proficiency in writing complex SQL queries and statements for data manipulation and retrieval.
3. Transaction Handling: Understanding of transaction management concepts and techniques.
4. Performance Tuning: Skills to optimize database performance through indexing, query optimization, and other techniques.