Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn how to export csv data. Thinkphp is usually used to process data, but the code is similar to the following code logic! Does not rely on any third-party class libraries
// Data ProcessingFunction exportData (){ $ Result = mysql_query ("select * from student ");$ Str = "name, gender, age \ n
Tags: Body username pos Mon database data God Test Exportmongoexport-d test-c Item--type=csv-f salary,city,workyear,companyshortname-o user.csvmongoexport-d test-c user--type=csv-f Tel,type,username-o user.csv-D represents the database-C Representative Table--type represents the exported format-F represents the name of the column that needs to be exported-O represents the exported file nameAfter execution,
I use PHP locally to export a database table of data into a CSV file, can be fully exported, the size can go to more than 800 K
And I have the same PHP program on the site to export the same data table, can only export 8k multi-data.
Try using Ini_set (' memory_limit ', ' 32M '); No, you can only
Recently been busy in the laboratory, did not properly update the blog, in the process of grasping the package, encountered a lot of problems.Because I often use Wireshark to export the capture information to a CSV file, here's a simple mark about 2 ways to import/export a CSV file to a database:A. Simple, but slightly
PHP Exports the CSV abstract class, calculates the total batches according to the total number of records and the number of records per batch, and loops the export. Avoid running out of memory problems.
ExportCSV.class.php
Demo
The above is the PHP export CSV abstract class content, more relevant content pleas
The first of these methodsIn the export interface, open the CSV customization option, tick"Remove carriage return line break in a field"OptionsphpMyAdmin version is 3.42.X version not see this optionThe second method ofUPDATECatalog_product_entity_textSET' Value '=REPLACE(REPLACE(' Value ',CHAR ( 10) ," ) ,char (13) , " ) Remove the database field carriage return characterMySQL
Tags: automated mod line generate CSV file execution log root readRecently the company has a tens of millions of-row large table that needs to be split into different CSV files according to the city's ID field. Wrote an automated shell script Underneath the/HOME/HDH. LINUX-XUD0:/HOME/HDH # LLTotal 16-rwxrwxrwx 1 root root 902 Dec 07:47 cf.sh-RWXRWXRWX 1 root root 6 Dec 07:47 id_1.txt-RWXRWXRWX 1 root root 6
will use the statement before the ENTER key as the input statement, this is very pit dad, every time you write a SQL statement and one line to rearrange it again. There is no good way, some words will be updated to the blog! 3. Where "file output location" can be a nonexistent file, the statement will automatically create and inject query results for you, currently only tried CSV file, xls format file has not been tried, if you want to convert the ou
the data address:'). Strip () Db_user=raw_input ('Please enter user name:'). Strip () Db_pwd=raw_input ('Please enter your password:'). Strip () DB=raw_input ('Please enter the database name:'). Strip () Db_port=raw_input ('Please enter the database port:'). Strip ()ifdb_host=="'or db_user=="'or db_pwd=="'or db=="': Logging.info ('The custom database input information is empty.') Check_flag=1If_port=re.match (R"[0-9]", Db_port)ifIf_port:db_port=int(Db_port)Else: Db_port=int('3306') Logging.info
MySQL provides a tool for importing and exporting databases. However, sometimes we only need to import and export data from a single table, such as importing and exporting CSV files. In this case, you can use the MySQL Automatic Command to import and export data.
The export syntax is as follows:
SELECT * FROM [TABLE]
Using Stored Procedures to batch export data into multiple csv files (ORACLE) databases has the following table structure: user_info (user_id NUMBER primary key, user_name VARCHAR2 (200) not null, user_age VARCHAR2 (80 ), create_date DATE, create_order hour. /* ============================== Step 1: CREATE a TABLE =================================*/create table USER_INFO (USER_ID number primary key, USER_NA
Export csv data within three months in PHP. for example, I want to calculate the first day of three months ago to the last day of the month. nbsp; what should I do on the first day of three months? ------ solution ---------------------- select nbsp; * nbsp; fromtbl_namewhere nbsp; date nbsp; gt; nbsp; date_format (csv in PHP exports data within three month
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. WebControls;Using System. Data. SqlClient;Us
Php uses the specified encoding to export mysql Data to a csv file,
This example describes how php exports mysql Data to a csv file using the specified encoding. Share it with you for your reference. The specific implementation method is as follows:
I hope this article will help you with php programming.
The code is as follows
Copy Code
SELECT * FROM Test_infointo outfile '/tmp/test.csv 'Fields terminated by ', ' optionally enclosed by ' "' escaped by '" 'Lines terminated by ' RN ';
To import CSV format data in MySQL:
The code is as follows
Copy Code
Load data infile '/tmp/test.csv 'into table Test_infoFields terminated by ', ' optionally enclosed by ' "' escaped by '" 'Lines terminated by ' RN ';
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