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Oracle TopLink supports access to any data store accessible through standard JDBC using standard SQL.
Additionally TopLink offers database platforms that allow for specific functionality to be exposed such as
native SQL, sequencing, out-join syntax, custom date/timestamp operators and formats, and schema import
and generation with the mapping editors.
To setup Oracle Toplink please follow the below steps :-
1.We need to identify the…
This post is useful for DB2 developers, administrators, database architects to learn how to access Oracle database
stored procedures from DB2 database sources.
A federated system is a special type of distributed database management system (DBMS).
A federated system consists of a DB2® database system that operates as a federated server, a database that acts
as the federated database, one or more data sources, and clients (users and applications) that access the…
One of the techniques to improve database performance and achieve greater scalability is using table partitioning. According to live industry observations when you see the following symptoms you should consider table partitioning
Slow queries that return small amounts or no data
Slow queries that return large amounts of data
Blocking between readers and writers (inserts or updates)
As tables grow in size, it may be easier to manage your…Continue
With expression-based indexes, you can create an index that includes expressions. The performance of queries that involves expressions is improved if the database manager chooses an index that is created on the same expressions. Expression-based indexes are best suited when you want an efficient evaluation of queries that involve a column expression. Simple index keys consist of a concatenation of one or more specified…Continue