Java updating resultset

Posted by / 31-Oct-2020 19:55

Java updating resultset

The SELECT statement is the standard way to select rows from a database and view them in a result set. Result Set interface represents the result set of a database query.

A Result Set object maintains a cursor that points to the current row in the result set.

These properties are designated when the corresponding Statement that generates the Result Set is created. The Result Set interface contains a collection of update methods for updating the data of a result set.

JDBC provides the following connection methods to create statements with desired Result Set − The first argument indicates the type of a Result Set object and the second argument is one of two Result Set constants for specifying whether a result set is read-only or updatable. If you do not specify any Result Set type, you will automatically get one that is TYPE_FORWARD_ONLY. As with the get methods, there are two update methods for each data type − There are update methods for the eight primitive data types, as well as String, Object, URL, and the SQL data types in the package.

Submit a bug or feature For further API reference and developer documentation, see Java SE Documentation.

The SQL statements that read data from a database query, return the data in a result set.

The three statement creation methods—create Statement, prepare Statement, and prepare Call—allow you to specify a result set type and a result set concurrency.

The result set type can be type indicates that you can only scroll forward through the result set, you can't jump back to a previous result set.

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The term "result set" refers to the row and column data contained in a Result Set object. Check the documentation for more information about using these SQL data types.

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