摘要:
BEGIN ctx_ddl.create_preference('eng_lex','BASIC_LEXER'); //创建一个分析器,以标点符号做索引分割 END; drop index sltexttype; //删除想创建的索引 create index SLTEXTTYPE on TAB_S 阅读全文
摘要:
1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)) "Prev", sum(decode(wait_Time,0,1,0)) "Curr",count(*) "Tot" from v$session_Wait group by event ord 阅读全文