默认是返回全部。 Ifexpris null, then this function returnsNULL. 如果表达式为NULL则函数返回NULL。 This function does not supportCLOBdata directly. However,CLOBs can be passed in as arguments through implicit data conversion. 此函数不直接支持CLOB数据。然而,CLOB可以作为参数通过隐式转换传入。 例子 SEL...
The argumentsstart_positionandlengthcombine to determine which portion of the internal representation to return. The default is to return the entire internal representation in decimal notation. Ifexpris null, then this function returnsNULL. select dump(test_col) from test_tb; Typ=96 Len=15: 54,...
ALTER SESSION SET EVENTS ‘immediate trace name heapdump_addr level n’; 若n为subheap的地址,转储的是subheap的摘要信息 若n为subheap的地址+1,转储的则是subheap的内容 Oracle 9.2.0版本之后 ALTER SESSION SET EVENTS ‘immediate trace name heapdump_addr level n, addr m’; 其中m为subheap的地址 n为...
6、n;eSET EVENTS immediate trace name errorstack level n;1 level 0 + function call stack2 level 1 + pros se3 level 2 + context area11).HangysisALTER SES12).Work AreaALTER SES1 SGA 信息SET EVENTS immediate trace name hangyze level n;SET EVENTS immediate trace name workareatab_dump leve...
0 Error stack 1 level 0 + function call stack 2 level 1 + process state 3 level 2 + context area 11).Hang Analysis ALTER SESSION SET EVENTS 'immediate trace name hanganalyze level n'; 12).Work Area ALTER SESSION SET EVENTS 'immediate trace name workareatab_dump level n'; ...
pg12@testdb$# $function$;CREATEFUNCTIONTime:3.621ms AI代码助手复制代码 执行dump函数,显示十六进制值 [local]:5432pg12@testdb=#selectdump(description)fromt_dumpdemo; dump---Len=6e4,b8,ad,e6,96,87Len=541,42,43,44,45(2rows)Time:1.337ms AI代码助手复制代码...
1 level 0 + function call stack 2 level 1 + process state 3 level 2 + context area 11).Hang Analysis ALTER SESSION SET EVENTS ‘immediate trace name hanganalyze level n’; 12).Work Area ALTER SESSION SET EVENTS ‘immediate trace name workareatab_dump level n’; ...
链接:https://www.eygle.com/archives/2005/11/how_to_use_oracle_dump_function.html DUMPreturns aVARCHAR2value containing the datatype code, length in bytes, and internal representation ofexpr. The returned result is always in the database character set. ...
rac1)>createindexidx_t1ont1(id); Indexcreated. DVD@anqing1(rac1)> 一.使用导出导入命令 1.1导出dvd用户的数据，生成dump文件[oracle@rac1~]$expdvd/dvdfile=dvd.dmpowner=dvd Export:Release10.2.0.4.0-ProductiononWedSep2119:50:142011 Copyright(c)1982,2007,Oracle.Allrightsreserved.
If expr is null, then this function returns NULL. This function does not support CLOB data directly. However, CLOBs can be passed in as arguments through implicit data conversion. See Also: Data Type Comparison Rules for more information Appendix C in Oracle Database Globalization Support ...