Original post address: http://hi.baidu.com/liyanlin84/blog/item/eb306616cdb51e1c972b4389.html
Delete all data in the table, and you want to automatically increase the column from 1! Use truncate table tblname
Truncate is a SQL statement used to delete data table content. It is used as follows:Truncate table [Table name].The following describes the methods and principles of the truncate statement in mssq
Linux C reads the folder below to use the struct struct dirent, in header # include 1#include 2 structdirent3 {4 LongD_ino;/*inode Number Index node*/5off_t D_off;/*offset to this dirent in the directory file*/6Unsigned ShortD_reclen;/*length of this d_name filename long*/7UnsignedCharD_type;/*The type of d_name file type*/8 CharD_name [name_max+1];/*File name (null-terminated) file name, maximum 255
Tags: io os ar for data SP C on RSELECT table_name ' table name ', Table_schema ' database name ', ordinal_position ' order ', column_name ' field ', Data_type ' type ', character_octet_length ' bytes long ', if (column_key= ' PRI ', "√", "") ' primary key ', if (extra= ' auto_increment ', "√", "") ' self-growth ', if (is_nullable= ' yes ', "√", "") ' Empty ', character_set_name ' encoded ', Column_default
Tags: RTC ons ati ICA nbsp set IPs val CodeOption Explicit Validationmode = True Interactivemode = Im_batch Dim MDL ' current model ' Get the current active model Set mdl = Activemodel If (MDL is Nothing) then MsgBox "There is no current Model" ElseIf not MDL. IsKindOf (Pdcdm.cls_model) Then ' if it's processing PDM, here's Pdpdm.cls_model MsgBox "The current model isn't an physical Data model." Else ProcessFolder MDL End If ' This routine copy name t
How to return all table names and column data types of a database in Mysql
How to return all table names and column data types of a database in Mysql
Desc table name;
Show columns from table name;
Describe table name;
Show create table
Android queries the contact name based on the phone number and exports all contacts in the address book. method 1 /*
2 * obtain the contact name based on the phone number
3 */
4 public static string getcontactnamebyphonenumber (context, string address ){
5 string [] projection = {contactscontract. phonelookup. display_name,
6 contactscontract. commondatakinds. Ph
This article describes how to use php to obtain the IP address, host name, and mac address of all users in the LAN, if you need a php instance, you can refer to the php instance described in this article to obtain the computer IP address, host name, and mac address of all users in the LAN. It provides some reference fo
In the glob folder, name all files without Underscores. in the glob folder, name all files without Underscores. how can I write regular expressions?
Reply to discussion (solution)
You can use strpos to determine whether there is any underline during the loop.It seems that glob cannot use complex regular expressi
1. In the database of the sub-table, there may be different directories, the same file name, and we want to calculateWhat is the size of the same data file, the following 1024 of the same file name, the method of calculating its size.2. Ideas1) Find out all the documents first2) Check out the file size3) Intercept File size column4) Sum[[Email protected]]# find/d
0 probing folders1 Code1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.IO;4 usingSystem.Linq;5 usingSystem.Text;6 usingSystem.Threading.Tasks;7 8 namespaceConsoleApplication29 {Ten class Program One { A Static voidMain (string[] args) - { - //under the specified path the stringPath =@"l:\"; - //the name of the folder - stringAfilename ="folders created with the progr
Describe:Unlike IDs, multiple elements can use the same name property, and if you need to get a DOM object for that type of element, you need to use the Getelementsbyname () functionCode:——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————Dom action-gets all the check boxes in a Web page by name
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Import all the Excel files in the folder to the SQL database. Each file is a separate table named by the file name.
--
By madgoat 2006-11-23
Create
Table
# T (fname
Varchar
(
260
), Depth
Int
, ISF
Bit
)
Insert
Into
# T
Exec
Master .. xp_dirtree
'
C: \ test \
'
,
1
,
1
Declare
TB
Cursor
For
Select
FN
=
'
C: \ te
Obtain the table's primary key column name SQLSelect * From user_cons_columns
Where constraint_name = (select constraint_name from user_constraints
Where table_name = 'bst _ favorite 'and constraint_type = 'P ');
Remember: The table name must be in uppercase.Run the following command to check all the primary keys in the table. The primary key column is in the fou
/** New GetFile ($_dir[,$_emptydir,$_filetype]); * @parma $_dir is the directory name * @parma $_emptydir whether to get an empty folder, optional, default not get, true to get empty folder * @parma $_filetype Gets the file name type, optional, gets only the file name by default, True gets the file name with the path *
A: Os.listdir (path) saves all files in the path directory in the list:>>> Import OS>>> Import re>>> Path = "/home/popt/fiile">>> Print (Os.listdir (path))[' temp.conf ', ' del2.py ', ' ha.conf.bak ', ' ha.conf ', ' del.py ', ' rename.py ']>>>Second: Modify the file name:CurDir = OS.GETCWD () if "Ha.conf.bak" in Os.listdir (curDir): #查找当前目录下是否有 Ha.conf.bak This file, if there is, delete the file, and back up ha.conf to Ha.conf.bak, Change the upda
Like to kill JMeter services.
Ps-efww|grep jmeter |grep-v grep|cut-c 9-15|xargs kill-9
Description: Pipe character "|" Used to separate two commands, the output of the command on the left side of the pipe is entered as the command to the right of the pipe character.
"Ps-efww" is a command to view all processes. The retrieved process is then used as input to the next command "grep", and note that when you end other programs, replace the VIM in the
The PHP instance described in this article can accomplish the function of acquiring the computer IP and host name and MAC address of all the users in the LAN, and has some reference value for the PHP program designers. The complete code is as follows:
The program is running in CLI mode and should also be available on the browser PHP to get the User IP function on the LAN is done, the main use is
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