What is CachedRowSet?
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What is CachedRowSet?
A CachedRowSet object is a disconnected rowset, which means that it makes use of a connection to its data source only briefly. It connects to its data source while it is reading data to populate itself with rows and again while it is propagating changes back to its underlying data source.
What is difference between ResultSet and RowSet?
it also extends the ResultSet interface. The Row Set can be serialized because it doesn’t have a connection to any database….Java JDBC – Difference Between Row Set and Result Set.
| RowSet | ResultSet |
|---|---|
| A Row Set object can be serialized. | It cannot be serialized. |
| You can pass a Row Set object over the network. | ResultSet object cannot be passed other over the network. |
Which of these methods would to update the DB using CachedRowSet?
The updateXXX() methods of the CachedRowSet interface allows you to update column values of a particular row in a RowSet object.
What is ResultSet Concur_read_only?
CONCUR_READ_ONLY means that the ResultSet can only be read. CONCUR_UPDATABLE means that the ResultSet can be both read and updated.
How do I create a CachedRowSet?
Creating a CachedRowSet You can create a Cached RowSet object using the createCachedRowSet() method of the RowSetFactory. You can create a RowSetFactory object using the newfactory() method of the RowSetProvider method.
How many RowSet are available in JDBC?
Any number of RowSet objects, which implement the Joinable interface, can be added to a JoinRowSet object, provided they can be related in a SQL JOIN . All five types of RowSet support the Joinable interface.
What are the advantages of RowSet?
The advantage of RowSet is as follows: It is easy and flexible to use. It is by default scrollable and can be updated by default whereas ResultSet by default is only forwardable and read-only operation is valid there only.
Which are the two types of ResultSet in JDBC?
There are two types of result sets namely, forward only and, bidirectional. Forward only ResultSet: The ResultSet object whose cursor moves only in one direction is known as forward only ResultSet. By default, JDBC result sets are forward-only result sets.
What is the difference between Type_scroll_insensitive and Type_scroll_sensitive?
In TYPE_SCROLL_INSENSITIVE cursor can move (scroll) both forward and backward. In TYPE_SCROLL_SENSITIVE cursor can move (scroll) both forward and backward.
What is JDBCRowSet?
A JDBCRowSet is a RowSet that wraps around a ResultSet object. It is a connected RowSet that provides JDBC interfaces in the form of a JavaBean interface. The Oracle implementation of JDBCRowSet is oracle.
What is the purpose of ResultSet in Java?
A table of data representing a database result set, which is usually generated by executing a statement that queries the database. A ResultSet object maintains a cursor pointing to its current row of data. Initially the cursor is positioned before the first row.
What RowSet available in JDBC?
JDBC RowSet. An instance of RowSet is the Java bean component because it has properties and Java bean notification mechanism. It is the wrapper of ResultSet. A JDBC RowSet facilitates a mechanism to keep the data in tabular form.
What is difference between scrollable and non scrollable ResultSet?
The main difference between scrollable and non scrollable cursors in DB2 is that scrollable cursors are used to move randomly through the result set while non-scrollable cursors are used to move sequentially forward through the result set.
What is ResultSet Concur_updatable?
It is a constant of the ResultSet class representing the concurrency mode for a ResultSet object that may be updated. In general, you will pass this as a value to the createStatement() method.
What are different types of ResultSet?
What are benefits of RowSet?
What are Rowsets?
A rowset is a set of rows that contain columns of data. Rowsets are central objects that enable all OLE DB data providers to expose result set data in tabular form.
