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Articles by P. Balaji
Total Records ( 2 ) for P. Balaji
  Priyadharshini Muthukrishnan , V. Sakthivel , Baskaran Ramachandran , K. Srihari and P. Balaji
  Persistent data are stored in database server and is often used than archived data. Most business applications handling large databases contain recursive data and processing such recursive data is difficult. Relational algebra doesn’t provide adequate facility to manipulate such data, even initial SQL too doesn’t, however, it is introduced in SQL: 1999. MySQL an open source database management system doesn’t support recursive query yet. Hibernate being an open source Object Relational Mapping (ORM) tool provides Hibernate Query Language (HQL) for querying databases. Using which recursive queries are executed as HQL with the options provided by the corresponding Data Base Management System (DBMS). In DBMS such as MySQL where recursive query is not possible our proposed extension of hibernate provides the option to execute recursive queries by executing a combination of normal queries in a particular order.
  P. Balaji , S. Malarvannan and G.N. Hariharan
  The insecticidal activities of hexane, ethyl acetate, methanol and water extracts of lichen, Roccella montagnei Bél. emend. Awas. were assayed against polyphagous insect, Helicoverpa armigera (Hübner). Among the different crude extracts tested, the pupation was nil in methanol (1%) and hexane extract (5%), which was on par with aqueous extract (5%). The formulation of water extract of R. montagnei is better compared to other solvent extracts, as potential antipest agent against H. armigera.
 
 
 
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