9.25实现下列函数: int Search(SSTable s, KeyType k); /* Index the element which key is k */ /* in StaticSearchTable s. */ /* Return 0 if x is not found. */ 静态查找表的类型SSTable定义如下: typedef struct { KeyType key; ... ... // 其他数据域 } ElemType; typedef struct { Ele
oracl 和db2 常用语法比较: 1、取前N条记录 Oracle:Select * from TableName where rownum <= N; DB2:Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle:Select sysdate from dual; DB2:Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle:Select