Object pooling is nothing new, it is a container that contains active object lists that are created. In a word , a container of objects that
are ready for use. List of ready-to-be-used objects are keep in this pool.Whenever there is a request for a new object, the pool manager will take
the request and it will be served by allocating an object from the
pool.
In our crucial programming world, RDBMS is stand for Relational Database Management Systems is based on the Relational Model that maintain data records and index in tables. Generally, the term "Relations" are maintained in RDMS. In a relational database,store the data into collection of tables, which might be related by common fields (database table columns). RDBMS also provide relational operators to manipulate the data stored into the database tables. Most RDBMS use SQL as database query language. There are several objects are included in RDBMS like ,Indexes,Synonyms,Tables,Views Clusters,Constraints,Database links,Database triggers. Most popular RDBMS are Oracle, MS-SqlServer, MySql,DB2. etc.
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