随笔分类 -  数据库 / oracle

摘要:file file1 file file2 .. with CRLF line terminators .. windows文件 with CRLF line terminators 解决办法:告诉 vi 编辑器,使用unix换行符。 vim file2 : set ff = unix 阅读全文
posted @ 2025-03-20 19:16 钱塘江畔 阅读(13) 评论(0) 推荐(0)
摘要:https://www.cnblogs.com/ningvsban/p/3605520.html 阅读全文
posted @ 2024-05-10 11:11 钱塘江畔 阅读(12) 评论(0) 推荐(0)
摘要:SELECT * FROM V$MEMORY_RESIZE_OPS; SELECT * FROM V$SGA_DYNAMIC_COMPONENTS WHERE name='buffer_cache'; SELECT * FROM v$sgnfo; # 不确定是否准确 SELECT sum(value 阅读全文
posted @ 2024-02-21 18:28 钱塘江畔 阅读(288) 评论(0) 推荐(0)
摘要:``` 1.通过此语句查询正在锁定的SESSION_ID: SELECT distinct SESSION_ID FROM V$LOCKED_OBJECT,USER_OBJECTS WHERE V$LOCKED_OBJECT.OBJECT_ID = USER_OBJECTS.OBJECT_ID 2. 阅读全文
posted @ 2023-07-14 17:14 钱塘江畔 阅读(196) 评论(0) 推荐(0)
摘要:语法: // drop database link lydsj_att; // 若远程调用存储过程,则需要加 public 关键字 create [public] database link lydsj_att connect to user_name identified by "passwd" 阅读全文
posted @ 2023-05-11 21:35 钱塘江畔 阅读(34) 评论(1) 推荐(0)
摘要:#### 随机字符串 ``` SELECT SYS_GUID() FROM DUAL; ``` #### instr函数 [Oracle中的instr()函数 详解及应用](https://blog.csdn.net/Dream_ling/article/details/84956798) #### 阅读全文
posted @ 2022-03-07 14:12 钱塘江畔 阅读(78) 评论(0) 推荐(0)