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Generate 5 million pieces of large data in Oracle (use the sqlldr import command *. CTL file to import data)

Import data to Oracle When importing data in Oracle, the file suffix is *. CTL The command is sqlldr. Sqlldr username/password control = 'tbl _ EMP, CTL' Export part of data from postgre Psql Saison-C 'select user_id, user_name from user order by 1, 2 'user_list.txt-a-f,-T Generated file user_list.txt 100001, Xiaoming 100002, Xiaowang CTL File Load data Inf

Oracle_ using CTL files for bulk Import

The use of Oracle control files to enable storage of large quantities of data is much more efficient than SQL script files.The steps for using the CTL control file are as follows:1. Making a CTL file Test.ctlLoad datainfile ' d:\test.txt ' --data file, data source fileAppend into table table_name--target table for data file importFields terminated by "@[email protected]"--field separators, we recommend spec

Restore ctl+v Visual mode settings for Gvim

Set nocompatibleSOURCE $VIMRUNTIME/vimrc_example.vim"Source $VIMRUNTIME/mswin.vim(Note this line)Behave MswinSet Diffexpr=mydiff ()function Mydiff ()Let opt = '-a--binary 'If diffopt =~ ' icase ' | Let opt = opt. '-I ' | endifIf diffopt =~ ' Iwhite ' | Let opt = opt. '-B ' | endifLet arg1 = v:fname_inIf Arg1 =~ ' | Let arg1 = ' "'. Arg1. ' ' ' | endifLet arg2 = V:fname_newIf Arg2 =~ ' | Let arg2 = ' "'. Arg2. ' ' ' | endifLet Arg3 = V:fname_outIf Arg3 =~ ' | Let Arg3 = ' "'. Arg3. ' ' ' | endifL

Homemade operating System (10) Image Overlay Processing

a transparent color number.Height is the level of the layer.Flags are used to store various settings information about the layer. (Usage status)Next, for programmers, to achieve the image overlay effect, is actually the logic of the management of the dry layer (management: Add and delete changes) (Picture screen Image: Draw all layers in the order of layers) ~Data structures for layer management:struct shtctl { char *VRAM; int xsize, Ysize, top; struct SHEET *sheets[max_sheets];

Create an official seal using C #

Let's take a look at it first: Code:Private void button#click (Object sender, system. eventargs E){Graphics G = This. creategraphics ();G. Clear (color. White );// G. interpolationmode = interpolationmode. highqualitybicubic;G. compositingquality = compositingquality. highquality;G. smoothingmode = smoothingmode. highquality;Int radius = 200;Circulartextuallayout CTL = new circulartextuallayout ();CTL. radi

Gitlab Perfect Installation "CentOS6.5 installation gitlab-6.9.2"

Summary: After a few days of demolition, and finally found today the rapid installation of Gitlab method. CentOS6.5 installation gitlab-6.9.2Reference URL: https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md#installationInstall version Gitlab: 6.9.2RPM Release file name: gitlab-6.9.2_omnibus.1-1.el6.x86_64.rpmInstallation Step Code:#sudo Yum Install Openssh-server#sudo yum install postfix # SendMail or Exim is also OK#sudo Rpm-i gitlab-6.9.2_omnibus.1-1.el6.x86_64.rpm # This is th

Linux Shell special characters

characters cannot be used normally in the script. CTL-B Return (non-destructive), that is, return but do not delete the previous character. CTL-C ends a foreground job. CTL-D logs out of a shell (similar to exit )."EOF" (end of file). This can also terminate input from stdin.When entered in the console or in the xterm window,

MandrakeFAQ (2)

started, it starts kdesktop first, then kicker, and then gadgets such as ktip and klipper.       Q41: How do I install the flash plug-in for konqueror? A41: konqueror can be easily loaded. during installation, choose to install it in the mozilla installation directory, and then point the plug-in path to the mozilla plug-in directory in the konqueror plug-in scan path settings, scan again to find the new plug-in, and then re-run konqueror should be able to support flash. haha, my Mandrake90 can

LinuxShell special characters and control characters

option minus signs to redirect stdin and stdout: cd/source/directory tar cf -.) | (cd/dest/directory tar xpvf-) previous working directory cd-note: the file name and variable name starting with "-" may have some problems + the option tag of a command or filter. ~ Home directory ~ + Current working directory ~ -In the previous working directory ^ regular expression, $ IFS at the beginning of the line is used to separate some input commands. by default, it is blank. control character modificati

Shortcut keys for operations in Linux

core files are generated in the user directory. in many cases, the user has to quit X and then start again to solve this problem. In fact, you only need to simply run/usr/bin/kdesktop without parameters in terminal (for example, konsole, rxvt, or even cxterm not recommended) to restore the desktop. In addition, the program corresponding to the taskbar is/usr/bin/kicker. If you accidentally use xkill to kill the taskbar, you can run kicker without parameters to retrieve it. In fact, kde starts k

Shortcut Keys for operations in Linux

program corresponding to the taskbar is/usr/bin/kicker. If you accidentally use xkill to kill the taskbar, you can run kicker without parameters to retrieve it. In fact, kde starts kdesktop, starts kicker, and starts 20 gadgets such as ktip and klipper. how to capture screen images in rh8: press the printscreen key in gnome, run ksnapshot in kde, or download a screenshot capture software by yourself, for example, the common shortcut for captura21gnome ctl

Common Methods for Javascript select drop-down box operations

Copy codeThe Code is as follows:Function AddDropDownList (id, fatherCtl){If (! Document. getElementById (id )){Var ddl = document. createElement ('select ');Ddl. setAttribute ("id", id );If (fatherCtl document. getElementById (fatherCtl ))Document. getElementById (fatherCtl). appendChild (ddl );ElseDocument. body. appendChild (ddl );}}// Delete the specified drop-down listFunction RemoveDropDownList (id){Var ctl = document. getElementById (id );If (

Oracle 10 Gb control file (2) -- add control file

In oracle 10 Gb, a database is created. By default, three control files are created: control01.ctl, control02.ctl, and control03.ctl. You can manually add some control files to the database. When the data is opened, we can use show parameter control in sqlplus to view the current control file. SQL> show parameter control NAME TYPE VALUE types ------------- ------

Socket multi-thread programming delegate controls

Problem: First, set a simple server listener1 delegate void SetTextEvent (Control ctl, string text ); 2 void SetTextLine (Control ctl, string text) 3 { 4 if (ctl. InvokeRequired) 5 ctl. Invoke (new SetTextEvent (SetTextLine), new object [] {ctl, text }); 6 else 7

Use IAR's Extended Language features to write reusable code

The IAR Language extension feature # value # is mainly used for macro implementation. The value in the middle of # Is the value you pass in. Can be used to improveCodeReusability. You can use it when writing timer3 and timer4 of the standard. Because these two 8-bit timers are basically the same. The following figure shows how to implement common timer3 and timer4 header files. You can use a header file to perform timer3 or timer4 operations. # Ifndef _ timer34_h # DEFINE _ timer34_h # de

Management of Oracle 11G R2 control files

parameters N Database read-only the first control file shown in initialization parameters n when the database is executing and all control files are unavailable, the instance becomes unavailable and exits Control file naming in initialization parameterscontrol_files= (' C:\app\administrator\product\11.2.0\Ora_home\database\control01.ctl ', ' D:\app\Administrator\ Control\control02.ctl ')Backu

Recovery process record for Oracle control file corruption

Have done some testing, in the startup or shutdown of the database to delete the control file, because this database is only my own test database, then did not care to recover. Today, when I wanted to start this database, I ran into problems: [Oracle@bjtest ~]$ Sqlplus "/As SYSDBA" Sql*plus:release9.2.0.4.0-production on Wednesday June 3 01:47:42 2009 Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved. You are connected to an idle routine. Sql> Startup The Oracle routine ha

Oracle control file addition, backup, recovery

The control file experiment has a maximum of eight control files, at least one of which is an image of each other. If the control file is lost, the database cannot be shut down normally and cannot be started. Add control file, required The control file experiment has a maximum of eight control files, at least one of which is an image of each other. If the control file is lost, the database cannot be shut down normally and cannot be started. // Add control file, required Control File Experim

"oracle11g,9" Control file

Tags: oracle11gI. Controlling the role of a file:1. The physical state of the database is recorded. 2. Maintain database consistency . The control file records the SCN number of the database system, the SCN number of the data file, and the starting SCN number of the data file header, if the three SCN numbers agree that the database can be started. If the inconsistency is going to recover. 3. define the location and number of control files in the parameter file. The control file has a minimum of

Use C # to make the official seal

Code:private void Button1_Click (object sender, System.EventArgs e){Graphics g = this. CreateGraphics ();G.clear (Color.White);G.interpolationmode = Interpolationmode.highqualitybicubic;g.compositingquality = compositingquality.highquality;G.smoothingmode = smoothingmode.highquality;int radius = 200;Circulartextuallayout ctl = new Circulartextuallayout ();Ctl. radius = radius;Point location = new Point (50,

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