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Delete all If you are deleting all the data for a table and do not need to roll back, use TRUNCATE to OK. About Trancate See here http://blog.csdn.net/gnolhh168/archive/2011/05/24/6442561.aspx Sql> TRUNCATE TABLE table_name; Conditional Deletion If there is a condition for deleting the data, such as delete from tablen

Select All (Highlight ): Press ESC, then GGVG or GGVGCopy all: press ESC, then GGYGDelete all: press ESC, then DGAnalytical:GG: is to let the cursor move to the first line, the vim is valid, vi invalidV: is into Visual (visual) modeG: Move the cursor to the last lineAfter the selection of content can be other operations, such as:d

sysobjectswhere xtype = ' u 'Open C2DECLARE @c2 varchar (8000)FETCH NEXT from C2 to @c2while (@ @fetch_status =0)BeginEXEC (@c2)FETCH NEXT from C2 to @c2EndClose C2DEALLOCATE C2--3. Enabling FOREIGN KEY constraintsDECLARE C1 Cursor FORSelect ' ALTER TABLE [' + object_name (parent_obj) + '] Check constraint [' +name+ ']; ‘From sysobjectswhere xtype = ' F 'Open C1DECLARE @c1 varchar (8000)FETCH NEXT from C1 to @c1while (@ @fetch_status =0)BeginEXEC (@c1)FETCH NEXT from C1 to @c1EndClose C1DEALLOC

Tags: other content BSP parsing register mode ESC invalid ClipboardSelect All (Highlight ): Press ESC, then GGVG or GGVGCopy all: press ESC, then GGYGDelete all: press ESC, then DGAnalytical:GG: is to let the cursor move to the first line, the vim is valid, vi invalidV: is into Visual (visual) modeG: Move the cursor to the last lineAfter the selection of content

existing archived log files Oracle @ bo2dbp: ~> Export ORACLE_SID = + ASM1 Oracle @ bo2dbp: ~> Asmcmd ASMCMD> cd + REV/GOBO4/ARCHIVELOG ASMCMD> ls 2012_10_08/ .... Arch_7951920.20.20.10.arc Arch_7951920.00000000100.arc .... Oracle @ bo2dbp: ~> Export ORACLE_SID = GOBO4A Oracle @ bo2dbp: ~> Rman target/ Recovery Manager: Release 10.2.0.3.0-Production on Thu Nov 29 16:23:15 2012 Copyright (c) 1982,200 5, Oracle. All rights reserved. Connected to ta

Oracle Official Documentation Tips:If you had specifiedDELETE INPUTRather than DELETE all INPUT, thenRMAN would has only deleted the specific archived redo log files, it backed up. For example, RMAN would delete the logs in/arc_dest1 if these files were used as the source of the backup, but leave the Contents of The/arc_dest2 intactIf

filesOracle @ bo2dbp: ~> Export ORACLE_SID = + ASM1Oracle @ bo2dbp: ~> AsmcmdASMCMD> cd + REV/GOBO4/ARCHIVELOGASMCMD> ls2012_10_08/....Arch_7951920.20.20.10.arcArch_7951920.00000000100.arc....Oracle @ bo2dbp: ~> Export ORACLE_SID = GOBO4AOracle @ bo2dbp: ~> Rman target/Recovery Manager: Release 10.2.0.3.0-Production on Thu Nov 29 16:23:15 2012Copyright (c) 1982,200 5, Oracle. All rights reserved.Connected to target database: GOBO4 (DBID = 921286879)#

Delete all files under Folders and their folders, delete folder files /** * Delete all files under the folder and its folders */public static function Deldir ($dir) {//delete files in directory first: $dh =opendir ($dir); while

Tags: div requires code foreign key const logs open span objectDelete database all tables and all stored procedure SQL statements at once Transferring database data today requires emptying the database's original tables and stored procedures.To delete all tables:If table failure is deleted because of a foreign KEY cons

Package com. test; Import java. Io. file; Public class filetest3 { Public static void main (string [] ARGs ){// Todo auto-generated method stubFiletest3.dodeleteemptydir ("E: \ new_dir1 ");String newdir2 = "E: \ hello ";Boolean success = deleteddir (new file (newdir2 ));If (SUCCESS ){System. Out. println ("successfully deleted empty directory:" + newdir2 );} Else {System. Out. println ("failed to deleted empty directory:" + newdir2 );}}// Delete the e

Translated from: http://www.tqcto.com/article/recommend/142.htmlFunction: Delete all subdirectories and files in a directory and directory knowledge point: File.delete () used to remove "A file or empty directory" ! So to delete a directory and all the files and subdirectories in it, recursively

Oracle uses a cursor to delete all record scripts in all user data tables. oracle cursor Application Scenario: because the data in the database involves confidential information, we hope to delete all the data at a time and only keep the data table structure for the developm

Asp gridview batch Delete and select all, And gridview batch Delete When I was a newbie, I just learned how to select and delete asp.net. I also referenced others' code and tried to implement it. I felt very good and sent it up. Front-end code CellPadding = "3" Font-Size = "9pt" BackColor = "White" BorderColor = "# CCC

File.delete () can only be used to delete "a file or empty directory"! So to delete a directory and all the files and subdirectories in it, recursively delete the code example as follows: Public void Deleteallfilesofdir (File path) { if (! Path.exists ()) return; if (Path.isfile ())

Common Operations: XmlDocument xmlDoc = new XmlDocument (); It is known that there is an XML file (bookstore. xml) as follows: 1. Insert a XmlDocument xmlDoc = new XmlDocument (); // ================================================ ==========Result: 2. Modify the node: Change the genre value of the node whose genre attribute value is "Li zenhong" to "update Li zenhong ", modify the text of the child node XmlNodeList nodeList = xmlDoc. selectSingleNode ("bookstore "). childNodes;

(directory.exists (Srcpath) directory.exists (DestPath)) { copydirectory (Srcpath,destpath);}Original address: http://www.cnblogs.com/iamlucky/p/5996222.htmlC # Delete all files under a folderpublic static void Delectdir (String srcpath){ try { DirectoryInfo dir = new DirectoryInfo (srcpath); filesysteminfo[] FileInfo = dir. Getfilesysteminfos (); Returns

In our project background operations, multiple operations are inevitably deleted at the same time. In this article, when you click Select All, all items on the current page are selected. When you cancel the selection of a certain item, the checked value of the "select all" checkbox is also false. Then, the ID of the selected item is obtained in the background to

Label:Application scenario: Because the data in the database involves confidential information, I hope to delete all the data at once, and keep the data table structure for the new project development program.Test Result: All data is deleted after queryThere is a problem: data table If there is a foreign key, the following script may be unsuccessful, please

Oracle uses a cursor to delete all record scripts in all user data tables Application Scenario: because the data in the Oracle database involves confidential information, we hope to delete all the data at a time and only keep the data table structure for the development of n

Note: If you want to delete all the sessions on the server, restarting the PHP service will not solve the problem, the PHP session is persistent.Effective Solutions:Delete all files under/tmp (the default PHP session file is stored in/tmp, direct this directory, if you have changed the directory of the PHP session into the corresponding directory