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Original author(s)Prabakaran Thirumalai
Developer(s)Lakshya and others
Stable release
CSQL 3.3 / May 8, 2011; 8 years ago (2011-05-08)
Operating systemLinux, Solaris
TypeRelational database management system
LicenseGNU General Public Licence or proprietary

CSQL is an open source main memory high-performance relational database management system developed at sourceforge.net.[1] It is designed to provide high performance for SQL queries and DML statements.

As there is no disk I/O, in-memory databases provide a predictive response time which is suited to real time and near real time applications. Something called Datablitz was described in 1998.[2]

A project called DBCache done by IBM was presented in 2004 by C. Mohan.[3]

It was configured to work as transparent cache for database management systems such as MySQL and PostgreSQL, circa 2009.[4] Version 3.3 was released in 2011.[5] It was promoted by a company called Lakshya in Bangalore, which existed through about 2013.[6]

See also[edit]


  1. ^ "CSQL sourceforge". sourceforge.net.
  2. ^ Jerry D. Baulier, Philip Bohannon, Amit Khivesara, Henry F. Korth, Rajeev Rastogi, Avi Silberschatz, S. Sudarshan and Brian Sayrs (1998). "The DataBlitz Main-Memory Storage Manager: Architecture, Performance, and Experience". SIGMOD proceedings. CiteSeerX maint: Uses authors parameter (link)
  3. ^ C. Mohan (January 23, 2004). "DB Cache: A Project on Database Caching Support for Web Applications" (PDF). Stanford University talk slides. IBM Almaden Research. Archived from the original (PDF) on July 29, 2004. Retrieved April 15, 2017.
  4. ^ "Guide to Choose the Best Caching Strategy for your Application" (PDF). March 10, 2009. Archived from the original (PDF) on September 20, 2009. Retrieved April 15, 2017.
  5. ^ Prabakaran Thirumalai (June 24, 2011). "Csqlcache Weblog". Archived from the original on July 23, 2012. Retrieved April 15, 2017.
  6. ^ "About Us". Old csqldb.com web site. Archived from the original on May 28, 2013. Retrieved April 15, 2017.