i want to change the default size of the database parameter like db_buffer_cache and shared_pool_size ,library_chace,hit_ratio to values that increase system performance by decreasing query response time
what is the opimum value of this parameter
Cursors in Oracle:
A cursor is used to process individual rows returned by database system for a query.
In oracle every SQL statement executed by the oracle server has a private area. This area contains information about the SQL statement and the…
Using SQL Scripts we can save all the SQL queries as files that we use very frequently on our database later point of time. This is one of the feature present under SQL Workshop in Oracle Application Express.
This video shows, step by step, how to configure Oracle Heterogeneous Services via the Generic Gateway Agent in order to make a connection from an Oracle session and access a remote SQL Server database table.
Using examples as well as descriptions, step through each of the common simple join types, explaining differences in syntax, differences in expected outputs and showing how the queries run along with the actual outputs based upon a simple set of dem…