问题在计数数据库查询

Question

可能重复：
How do I get the row count in JDBC?

嗨，

如何使用SQL count语句我算成一排的查询中MySQL数据库与JAVA？

TQ

Answer 1

如何

select count(*) fromtable_name

用法是这样的：

 int count; 
    String table = ... 
    Statement st = ... 
    ResultSet rs = st.executeQuery("select count(*) from " + table); 
    while (rs.next()){ 
     count = rs.getInt(1); 
    } 

Answer 2

如果你正在寻找一个查询来获取计数：

SELECT COUNT(*) FROM MyTable