List<String> listsql=new ArrayList<>(); listsql.add("select round((1-busy.value/tol.value)*100,2) from (select sum(count) value from v$waitstat where class in ('data ...
Get an overview of JDBC's architecture, then learn how to connect to a database and handle SQL queries and responses with PreparedStatements, transactions, connection pooling, and more. JDBC (Java ...