Batch import of data (csv files) in php sometimes requires that a large amount of data be imported into the database in the background when writing a program, for example, the computer examination result query and phone book data are generally stored in excel. in this case, we can export the data into a csv file, then, use the following program to
Import csv files
1) Open the DB2 command line
2) If this is the first time you connect to a remote DB2 database; if not, go directly to 3)
Run the following command in the DB2 command line window:
Catalog tcpip node DB21 remote 10.22.140.226 server 50000
Catalog database safemon as SAFEMON at NODE DB21
3) connect to a remote DB2 database and run the following command in the DB2 command line window:
Con
This code is used to import and export datatable files in XML, Excel, and CSV files. Record the code for future use.
Be sure to import the Excel file and add a reference to Microsoft. Office. InterOP. Excel 11.0.
Default. aspx. CS File
Using system;Using system. Collections. Generic;Using system. LINQ;Using system. Web;Using system. Web. UI;Using system. Web. UI.
Importing Data
By default, the interface allows us to create records one by one. This can is inefficient if we have a lot of data that we need to save or we want to use data from another application. It ' s possible to enable CSV importation in the application.
We ll use the active_admin_importable gem for this. In your Gemfile add:
Gem ' active_admin_importable '
And then execute bundle install.
To enable CSV
Use SQL * Loader to import CSV file data to the Oracle data table
Use SQL * Loader to import CSV file data to the Oracle data table
Use SQL * Loader to import CSV file data to the Oracle data table
1. Environment Conditions a
Label:CSV file to batch import data to SQLite.Code:f = web.input (Bs_switch = {}) # Bs_switch is the name of the From Form file fieldData =[i.split (",") for I in f["Bs_switch"].file.read (). Split () [1:]]#这里的步骤:#1, read the imported content: f["Bs_switch"].file.read ()#2, because the imported content is STR, converted to a list. With Split ().#3, because the first column of the CSV file is a field name an
When writing a program, you need to import a large amount of data into the database. for example, test scores and phone books are generally stored in excel. when writing a program, you need to import a large amount of data into the database, for example, exam scores and phone books are generally stored in excel. in this case, we can export the excel file to a csv
1. Export to CSV file: 2. Import from CSV: data is exported through CSV export, there is a very hidden problem , you need to note when writing code:Pilot into one data: Where Price is a double type: Then I export the record to demo.csv and delete the record from the database, and then
; in //Separators the string[] separators = {"," }; the //judge, if for the first time, create a table header About BOOLIsFirst =true; the the //Read the CSV file line by row the while((StrLine = Sr.) ReadLine ())! =NULL) + { -StrLine = Strline.trim ();//Remove Kinsoku spaces theArrayline = Strline.split (separators, stringsplitoptions.removeemptyentries);//separatin
After solr4.6 is installed, I tried to import data to collection1 in batches using csv files.
First, write the csvfile (book.csv. My path is: E:/book.csv. And pay attention to the file encoding. My encoding is GB2312. It will be used for later uploads. If it is wrong, Chinese characters will be garbled.
Id; title; content16. "New Year's Eve"; "a chairman is on stage and will not have a holiday on New Year's
Tags: har nvarchar log structure database field double quotes RMI formatThere is a CSV file that needs to be imported into the SQL database in the format"ADB", "DDS", "SDF""ADB", "DDS", "SDF"......Build a table in the SQL database, with the same structure as the CSV file (define data, time, and so on as nvarchar, otherwise an error occurs).Then execute:BULK INSERT [Order] from
' C:\abc.csv '
with
(
fieldte
Batch import of data in php (csv file ). Sometimes, when writing a program, the background requires that a large amount of data be imported into the database. for example, the computer examination result query and phone book data are generally stored in excel, at this time, we can import a large amount of data into the database when writing a program. for example
Tags: style color os io file data CTI LineStart by generating a text file that can be either JSON or CSV, one per line of data, well organized, and can be generated in a generic text editor or from office. Then execute the following import command: /usr/local/mongodb/bin/mongoimport-d cms-c cms_tags_20120727–type csv–file/tmp/tag0810.
CSVComma Separated values is a plain text file format used to store data. It is usually used for workbooks or database software. We can usePL/SQLDeveloperTools import CSV dataOracle DatabaseCorresponding table.
Condition: when a single file is small (less than 100000 rows) and the target table structure already exists-for excel, because the maximum behavior of an excel file is 65536-you can select all data
Sometimes, when writing a program, the background requests to import a large amount of data into the database. for example, the computer test result query and phone book data are generally stored in excel, in this case, we can export the data to a csv file, and then use the following program
Sometimes, when writing a program, the background requests to import a l
Sometimes write a program when the background requirements to import large amounts of data into the database, such as computer test results of the query, phone book data, etc. are generally stored in Excel, then we can export data into a CSV file, and then through the following procedures can be in the background batch import data into the database.
The followin
1. Export of asp.net:
Export of 2.WinForm:
...//Get the Save path ...
//Get data from db ...
//with 1, will be "," split the StringBuilder
StreamWriter sw = new StreamWriter ( Exportpath, False, Encoding.GetEncoding ("Shift_JIS"));
Sw. Write (Stringdata.tostring ());
Import of 3.asp.net:
HtmlInputFile txthtmlinputfile = txtfile; Txtfile is the document obtained in the input control in the picture
System.IO.Stream instream = txtHtmlInputFile
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