ResultSet Spanner

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A ResultSet maintains a cursor pointing to its current row of data Initially the cursor is positioned before the first row The next method moves the cursor

Here is a Java program that gets the total number of columns from ResultSet in Java There is nothing special, just call the getColumnCount() method of the You will see this error when the JDBC ResultSet object is in a close state, and the result of the next() operation throws an error Normally

pocky Learn to convert a ResultSet in to a HashMap in Java  Maps the given Resultset column name to its ResultSet column index boolean, first() JDBC Moves the cursor to the first row in the result set Array