Sybase interview questions and Answers
SAP ASE or Adaptive Server Enterprise was earlier known as Sybase SQL Server. It was also called Sybase ASE or Sybase DB. Developed by Sybase Corp., it is a database server which has now become a part of SAP AG. MS SQL Server and Sybase SQL Server have a lot of common features and syntax peculiarities. We have just added more questions in our question bank for Sybase SQL interview questions and answers for experienced professionals.
ASE is an enterprise-class RDBMS that is suitable for handling OLTP workloads. It is used majorly in the financial sectors such as banks, insurance companies, and stock exchange as well as in E-commerce.
Don’t forget to read our vast and updated collection of Sybase interview questions and answers for experienced developers and freshers.
Development History
Sybase released SQL Server 4.2 in 1992. However, Sybase became a wholly-owned subsidiary of SAP America in July 2010. A lot of interviewees have asked about this in Sybase developer interview questions and answers for experienced developers.
Development History
The Latest Version 16.0.03.06 was released in Jan 2019.
Most Frequently Asked Sybase interview questions
An enterprise software company, Sybase develops, sells and services database management systems (DBMS) as well as middleware products. Founded in 1984, the headquarters of Sybase is located in Emeryville, CA. This company is said to launch the first enterprise DBMS for Linux OS. SAP acquired Sybase in 2010.
Sybase's main products categories include Data management products, Analytics products, and Mobility products.
Sybase IQ is a database server that is optimized for analytics and business intelligence. It is a fantastic product for ad-hoc queries, which are otherwise tough to optimize in a typical transactional RDBMS. It is a cross-platform server that can run on Linux, Unix, and Windows.
Some of the advantages of Sybase IQ are:
- Incredible performance
- Faster response time than transactional databases.
- The column-oriented architecture allows efficient access for bulk operations.
- No need to create pre-aggregations
Mainframe connect provides access to high-performance tools that relate the user quickly to a variety of mainframe data sources and provides read and write access. This tool also enables the user to join mainframe data to secondary data facilities. Using Mainframe Connect, users can also create applications to access other DBMSs, file systems and applications.
Here are some of the benefits of Mainframe Connect in Sybase:
- Provides complete read and write access to mainframe databases from LAN-based applications.
- Provides access to the mainframe data using TCP/IP.
- Builds powerful and robust client-server applications
- A proven solution can quickly and easily integrate with databases and legacy programs
This can be crucial for Sybase DBA interview questions and answers for experienced professionals.
Key features of Sybase:
- Automatically finds processes that are running slow
- Automatically converts data from XML to SQL
- Provides data backups and recovery
- Optimizes query execution
- Maintains databases with no redundancy
- Supports referential integrity
Coalesce aids conditional SQL expressions and can be used at any place where the value expression is being used. It is an alternative to handling a case expression. Coalesce also evaluates listed expressions and returns the non-null value. When all other expressions are null, coalesce will return null.
The Numeric data type is similar to Decimal. The only difference is that implementation may have higher precision than what the user specifies. However, if the user does not specify any precision, the implementation will use the default values.
The decimal data type will allow overflow based on system defaults, but a numeric data type may not.
ASA in Sybase stands for Adaptive Server Anywhere. Currently, ASA runs on any computer hardware, including DOS, Windows, UNIX, and Linux.