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logger文件 package src import ( "fmt" "os" "path/filepath" "strings" "sync" "time" ) type File struct { sync.RWMutex // 文件名 fileName string suffix strin 阅读全文
posted @ 2020-04-17 10:52
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oracle生成uuid SELECT SYS_GUID() FROM DUAL; 存储过程构建sql时,拼接的字符 INDENT_STRING VARCHAR2(10 CHAR) := ' '; --CHR(9); FOR TAB NEWLINE_CHAR VARCHAR2(2 CHAR) := 阅读全文
posted @ 2020-04-17 10:35
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oracle动态执行sql DECLARE V_SQL CLOB; V_NAME VARCHAR2(200); BEGIN -- 定义SQL V_SQL := 'SELECT NAME FROM SYS_USER_T WHERE ROWNUM = 1'; -- 执行SQL EXECUTE IMMED 阅读全文
posted @ 2020-04-17 10:28
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查询表被锁住 --查询被锁的表 select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id; --查看是哪个s 阅读全文
posted @ 2020-04-17 10:20
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