Alibabacloud.com offers a wide variety of articles about indesign data merge table, easily find your indesign data merge table information here online.
.
TRUNCATE table deletes all rows in the tables, but the table structure and its columns, constraints, indexes, and so on remain unchanged. To delete a table definition and its data, use the DROP table statement.
If the table
When the amount of data surges, we will choose the library table hash and so on to optimize the data read and write speed. The author made a simple attempt, 100 million data, divided into 100 sheets. The specific implementation process is as follows:
First create 100 tables:
$i =0;while ($i
Here's my
I am looking for a job now. I have to review the data structure for some time. I would like to take some review notes here. I would like to share with readers, and I would like to encourage myself to stick to it.
The linear table structure of sequential storage is defined as follows:
Typedef struct {
First, you must apply for a continuous bucket with a specified length of 0.
// Initialize a linear
+1] = l->elem[m];}L->elem[i-1] = e;++l->length;return OK;}//delete elements in a linear tableint listdelete_sq (sqlist *l,int i,elemtype *e) {int m;int *p,*q;if (iE = l->elem[i-1];for (m=i-1;mL-GT;ELEM[M] = l->elem[m+1];}/*p = (L->elem[i-1]);*e = *p;Q = l->elem+l->length-1;for (++p; p* (p-1) = *p;}*/--l->length;return OK;}//Find the position of an element in a linear tableint locateelem_sq (sqlist *l,elemtype e,int (*compare) (Elemtype,elemtype)) {int i;i = 1;while (I++i;}if (ielse return 0;}in
Upload box to directly upload your excel table
2. use phpExcelReader to read the excel table and store it in the database:
3. the database makes the corresponding judgment and then exports the excel table through PHPExcel.
Note: phpExcelReader and PHPExcel can be downloaded from the Internet.
------ Solution --------------------
Is to operate phpexcel/phpexce
Here's a list of 100 tables to illustrate the next 100 million data, see the code below.
When the volume of data surges, everyone will choose the library table hashing and so on to optimize the data read and write speed. The author made a simple attempt, 100 million pieces of data
.
TRUNCATE table deletes all rows in the tables, but the table structure and its columns, constraints, indexes, and so on remain unchanged. To delete a table definition and its data, use the DROP table statement.
If the table
When the amount of data surges, we will choose the library table hash and so on to optimize the data read and write speed, for example:100 million data, divided into 100 sheets1. Create 100 Tables First$i = 0;while ($i echo "$newNumber \ r \ n";$sql = "CREATE TABLE ' Code_".
From data structure-Description in C language, edited by Ning zhengyuan, China Water Conservancy and hydropower press, Shanghai Jiao Tong University Press, and Southeast University Press
Data
Data Element
Data item
Data Structure
Logical Structure
Upload box to directly upload your excel table
2. use phpExcelReader to read the excel table and store it in the database:
3. the database makes the corresponding judgment and then exports the excel table through PHPExcel.
Note: phpExcelReader and PHPExcel can be downloaded from the Internet.
------ Solution --------------------
Is to operate phpexcel/phpexce
Label:When the amount of data surges, we will choose the library table hash and so on to optimize the data read and write speed. The author made a simple attempt, 100 million data, divided into 100 sheets. The specific implementation process is as follows:First create 100 tables:1$i =0;2 while($i About){3Echo"$newNumb
delete the old "Ib_logfile0" log files directly, after restarting MySQL will automatically generate a new log file.The other one is this error message[Code=inifile] Innodb:operating System error number 5 in a file operation.Innodb:the error means mysqld does not has the access rights toInnodb:the directory. It may also is created a subdirectoryInnodb:of the same name as a data file.Innodb:file name. \ibdata1Innodb:file operation call: ' Open '.Innodb
, and only some of the data on the corrupted individual page is lost. A value of 6 is exaggerated because the database page is left in a stale state, which in turn can cause more damage to the B-tree and other database structures. 1 (srv_force_ignore_corrupt) even if a corrupted page is detected by the server, the server is running, and trying to have the select * from tbl_name skip corrupted index records and pages, which helps to dump the
Zookeeper
Use kettle to convert an XML document into a data table structure
Read and parse the XML file in kettle's get data from XML step and XML input stream (Stax) step. The get data from XML step is parsed using Dom, which consumes a lot of memory and is not desirable when the file is large. The XML input stream (
I am now splitting the product table by user ID, and when I view the Product detail page, the user id+ Product ID must be in the URL link to navigate to the table where the product is located, and then read the information.
I do not want to take two parameters in the URL, I want to merge the user id+ Product ID into one parameter (or other side test), so we n
property ', ' Yi Changhong ', ' 2012100222 ', ' 63.723 '],[' 23 ', ' 3 ', ' Construction company ', ' Zhang Yanbing ', ' 2012013327 ', ' 63.630 '],[' 24 ', ' 3 ', ' Utility management company ', ' Wang Han ', ' 2012022214 ', ' 63.522 ']]# Create a workbook in memory OBJWB = Workbook () # writes Workbook obj to an excel file EW = Excelwriter (WORKBOOK=WB) # Sets the first sheet page, as if the first sheet only set ws = Wb.worksheets[0]ws.title=u ' Recruit Personnel list ' # write the
result set is handled as follows, and it is worth noting that the "|" Represents merge Collection Luser = User.objects.filter (Phonenumber=pkey) | User.objects.filter (Username__contains=pkey)Luser = Luser.distinct (). VALUES (*globalvar.tablefields.userfields) Queryset Other field meaningsFilter indicates that =,exclude represents! =.Queryset.distinct () to repeat__exact exactly equals like ' AAA '__iexact precision equals ignoring case ilike ' AAA
Detailed production process is as follows:
How is the wps form data converted? These tables are usually similar to the tables shown in Figure 1, but it is often cumbersome for the personnel administrator to add such tabular content to the database.
Figure 1 Employee Information Card
At present, the WPS text to provide users with the form and text conversion tools, users with the tool can be more convenient to achieve the goal.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.