code: public void setDbWorkConStr(String dbWorkConStr) {
  
          String driver;
          String pool = '.' + getPool() + '.';
  
          driver = getDbProperty(m_databaseKey + ".driver");
  
          setExtProperty(CmsDbPoolV11.KEY_DATABASE_POOL + pool + CmsDbPoolV11.KEY_JDBC_DRIVER, driver);
          setExtProperty(CmsDbPoolV11.KEY_DATABASE_POOL + pool + CmsDbPoolV11.KEY_JDBC_URL, dbWorkConStr);
          String testQuery = getDbTestQuery();
          if (!CmsStringUtil.isEmptyOrWhitespaceOnly(testQuery)) {
              setExtProperty(CmsDbPoolV11.KEY_DATABASE_POOL + pool + "v11.connectionTestQuery", testQuery);
          }
          setExtProperty(CmsDbPoolV11.KEY_DATABASE_POOL + pool + CmsDbPoolV11.KEY_JDBC_URL_PARAMS, getDbConStrParams());
      }
docs: Sets the connection string to the database to the given value.<p>
  
  @param dbWorkConStr the connection string used by the OpenCms core