Java Resultset All Columns. Name the columns differently in the query ie. It is used to store the data which are returned from the database table after the execution of the SQL statements in the Java Program.
Values can be retrieved using either the index number of the column or the name of the column. How to get all the column names from a ResultSet using JDBC. We can get table columns from the ResultSet getMetaData method returns ResultSetMetaData interface object.
Values can be retrieved using either the index number of the column or the name of the column.
Null is returned for data types where DECIMAL_DIGITS is not applicable. It retrieves a description of table columns available in the specified catalog. The getColumn method accepts String catalog String schemaPattern String tableNamePattern and String columnNamePattern parametres. The ResultSet interface provides a series of methods for retrieving data from columns in the current row such as getDate and getFloat.