关于connection的一个方法看不懂,请高手帮忙。
createStatement(int resultSetType, int resultSetConcurrency)
static int CONCUR_READ_ONLY
The constant indicating the concurrency mode for a ResultSet object that may NOT be updated.
static int CONCUR_UPDATABLE
The constant indicating the concurrency mode for a ResultSet object that may be updated.
static int FETCH_FORWARD
The constant indicating that the rows in a result set will be processed in a forward direction; first-to-last.
static int FETCH_REVERSE
The constant indicating that the rows in a result set will be processed in a reverse direction; last-to-first.
static int FETCH_UNKNOWN
The constant indicating that the order in which rows in a result set will be processed is unknown.
static int TYPE_FORWARD_ONLY
The constant indicating the type for a ResultSet object whose cursor may move only forward.
static int TYPE_SCROLL_INSENSITIVE
The constant indicating the type for a ResultSet object that is scrollable but generally not sensitive to changes made by others.
static int TYPE_SCROLL_SENSITIVE
The constant
这个方法里的参数的含义是什么,以及参数代表得意思
我不知到怎么用希望高手指点