Opens a connection given a provider ID and a connection string. This
allows applications to open connections without having to create
a data source in the configuration. The format of cnc_string is
similar to PostgreSQL and MySQL connection strings. It is a ;-separated
series of key=value pairs. Do not add extra whitespace after the ;
separator. The possible keys depend on the provider, but
Opens a connection given a provider ID and a connection string. This allows applications to open connections without having to create a data source in the configuration. The format of cnc_string is similar to PostgreSQL and MySQL connection strings. It is a ;-separated series of key=value pairs. Do not add extra whitespace after the ; separator. The possible keys depend on the provider, but