GET DIAGNOSTICS statement supports retrieval of almost any fields of SQLCA area, populated by the database for each SQL statement.
GET DIAGNOSTICS语句几乎支持对SQLCA区域的所有字段的检索，该区域由用于每条sql语句的数据库来填充。
2
Therefore, a research on the standard system of heterogeneous information retrieval under the web environment becomes an important topic of current information retrievalarea.
因此研究网络环境下，异构信息检索的标准体系成为当前信息检索领域的一个研究热点。
3
That can enlarge the retrievalarea and advance the recall of Searching Engine.