prosys opc

crushing. NET technology stack's potentialSince. NET highlight is productivity, in combination with my personal example.Originally intended to design configuration software. Unit is not a software company, my responsibility is not to design configuration software. At first it was just a whim. But faced with a big problem. I see the configuration software, Wincc,intouch, are giants.If it wasn't for the brain to burn out, you wouldn't want to do it on your own. But after I analyzed it, I found th

$datafile where file#=40;NAME--------------------------------------------------------------------------------+dg/xxxx/datafile/undotbs4At the same time dump the undo block and find that it does feel a bit unusual, as follows: ********************************************************************************UNDO BLK:xid:0x0009.01b.0014320a seq:0xa47 cnt:0x1 irb:0x1 icl:0x0 flg:0x0000REC Offset rec Offset rec Offset rec Offset rec Offset--------------------------------------------------------------

_ptrglError 607 found in the attempt file because there is ORA-607 in the previous error number Dump Event Group for session10046 Trace name context level, forever10015 Trace name context level, foreverDump Event Group for SYSTEMError message 607 in Redo application callback-->607– View the redo information below typ:0 Cls:16 Afn:1 dba:0x00400191-->undo block address obj:4294967295 scn:0x0001.2483756a seq:1 op:5.1-->Undo blocks or Undo Segme NT Header-kturdbKtudb redo:siz:256 spc:6602 flg:0x0

Recently in the study of Siemens PLC superior industrial Control software communication, in addition to OPC server, Prodave two, to understand that Siemens Ethernet Communication template provides a Fetch/write communication based on TCP, this way without PLC side programming can get all the data in Plc, It can be used to exchange data with S7 device or PC, this article briefly introduces the way of usage. See " Siemens PLC Implementation of the use

on a block: --CSC:0X00.874DB6 delay block Cleanup when scn--query, third commit--three ITL will do delay block cleanup --flg:e--refers to the use of the ASSM, if the O means the free list --typ:1-Data-transaction-type blocks (and: The type:0x06 of data size), storing tables and indexed data. brn:0 bdba:0x10001d8 ver:0x01 opc:0 inc:0 exflg:0 Itl Xid Uba Flag Lck SCN/FSC 0x01 0x0002.01a.00001382 0x00c00b70.0569.07--u-2 FSC 0X0000.00874DBB 0x02

:0x0100019c Object ID on block? Y SEG/OBJ:0XCEF0 csc:0x00.c3cf8 itc:3 flg:e typ:1-DATA brn:0 bdba:0x1000199 ver:0x01 opc:0 inc:0 exflg:0 Itl Xid Uba Flag Lck SCN/FSC 0x01 0xffff.000.00000000 0x00000000.0000.00 C---0 SCN 0x0000.000c3cf8 0x02 0x0006.02b.000001a1 0x008000d0.00f6.2a----FSC 0x0000.00000000 0x03 0x0000.000.00000000 0x00000000.0000.00----0 FSC 0x0000.00000000 Here we can see that we lck the record in 10 tables This is when we use b

:0x0000.00702f08 Subscn:1 01/06/2014 20:34:13 (LWN rba:0x000136.0000000d.0010 len:0002 nst:0001 scn:0x0000.00702f08) Change #1 typ:0 cls:21 afn:3 dba:0x00c000a0 obj:4294967295 scn:0x0000.00702eda seq:1 op:5.2 enc:0 rbl:0 Ktudh redo:slt:0x0003 SQN:0X00000EAA flg:0x0012 siz:112 fbi:0 uba:0x00c01ac7.0250.25 pxid:0x0000.000.00000000 Change #2 typ:0 cls:22 afn:3 dba:0x00c01ac7 obj:4294967295 scn:0x0000.00702ed9 seq:3op:5.1 rbl:0 Ktudb redo:siz:112 spc:3494 flg:0x0012 seq:0x0250 rec:0x25 Xid:0x

' user on the ' public IP address ' from your service det Ail page.$ ssh-i./myoraclecloudkey [email protected][[email protected] ~]$Once connected, you can do all the usual stuff.[[email protected] ~]$ sqlplus/as sysdbasql*plus:release 12.2.0.1.0 Production on Tue Nov 8 09:44:42 2016Copyright (c) 1982, Oracle. All rights reserved. Connected to:oracle Database 12c Enterprise Edition Release 12.2.0.1.0-64bit productionsql> ALTER SESSION SET contain ER = PDB1; Session altered. sql> CREATE USER te

databaseDrop TABLE Linux # #删除Linux表650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M00/95/C7/wKiom1kZllLz1R6DAABCTE4mz04883.png "title=" PDIM@FPDA2NJKP) dal9m (~j.png "alt=" Wkiom1kzlllz1r6daabcte4mz04883.png "/>Drop Database Westos # #删除westos库650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M00/95/C7/wKiom1kZlm_CvWXgAAByOQ3QXgM122.png "title=" JHCK3 %opc$90wz{dfb]lc~r.png "alt=" Wkiom1kzlm_cvwxgaabyoq3qxgm122.png "/>(6) Backup of th

opc:0inc:0 exflg:0Itl Xid Uba Flag Lck SCN/FSC0x01 0x0003.011.000000f2 0x00805794.00c8.49--u-14 FSC 0x0000.0006bfdb0x02 0x0000.000.00000000 0x00000000.0000.00----0 FSC 0x0000.00000000Data_block_dump,data header at 0xed09464===============Tsiz:0x1f98hsiz:0x2epbl:0x0ed09464bdba:0x0100002076543210flag=--------Ntab=1Nrow=14Frre=-1fsbo=0x2eFseo=0x1d61Avsp=0x1d33Tosp=0x1d330xe:pti[0] nrow=14 Offs=0--The block holds 14 records. From row 0 to row 130x12:pri[