I need help in understating the cod

noene07
timer Asked: Feb 20th, 2019

Question Description

I need help in understating the cod ..Please add comment to each line that specify what it do



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List column List (String table Name) { List column List = new ArrayList(); try { result set = databaseMetaData.getColumns( null, dbms user name, table Name, null); String columnName=""; if (rs != null) { while (result set.next()) { columnName = result set.getString ("COLUMN_NAME"); column list.add(column Name); } } catch (SQLException e) { // handle } return column List; } List table List method () { List tablelist = null; try // assumes database meta data available result set = database Meta Data. getTables (null, userName, null, TABLE_TYPES); result set.last(); int number rows = result set.getRow(); table list - new ArrayList (number rows); result set beforeFirst(); String tableName=""; if (result set != null) { while (result set .next()) { table Name = result set. getString("TABLE_NAME"); if (!dbms.equals Ignorecase ("oracle") 11 table Name.length()
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