convert excel file to mysql database

Because the job requires that we need to export MySQL data into a CSV file, and then the data provided by the merchant we have to use PHP to import CSV files to the MySQL database, I would like to introduce PHP to import and export CSV files to the MySQL

Tags: style blog class code c javaLNMP1.0 can quickly build PHP environment under the Linux system, the previous operation of other servers also used LNMP environment, has not experienced similar errors, the resolution process is now recorded.First, the server environmentOperating system: CentOS-6.4Server environment: Integrated environment LNMP1.0Second, the steps to reproduce1, installation LNMP1.0, the specific operation method see here, installation success;2, because of personal needs, the

of the main thread, which meant that it could clog other database operations at runtime.# Starting with the mysql5.5.x version, the operation runs on a separate thread and supports more concurrent numbers. The user can set the innodb_purge_threads configuration parameter to select whether the purge operation uses a single# single-threaded, by default the parameter is set to 0 (not using a separate thread), when set to 1 means a separate purge thread

In actual development today, we will discuss the problem of porting a MySQL database. copy the database files in local data to test on another machine and execute show tables. The database table is displayed, but the error is returned for any operation on the table: The table does not exist, the

The following articles mainly describe the actual operation steps for restoring MySQL database files with binary logs when they break down, if you are not clear about restoring MySQL database files by using binary logs, you can read this article. I. Scenarios 1. You have used innerdb and enabled binary log 2. You back

MYSQL database ibdata1 file reduction and Error Log clearing methods mysql ibdata1 stores data, indexes, and so on, is the most important data of MYSQL. if you do not store the data separately, the size of the file will easily rea

Phenomenon:After copying the source database folder with. frm to another MySQL environment, open MySQL, view the database and the table are all OK, but when you open the datasheet to view the table structure and table data, you are prompted for error code:1146, the data table to access "doesn ' t exist"Solve:In additio

Label:After configuring the LNMP environment, the default site directory and database storage directory are in the system disk, so we need to transfer them to the data disk.Change the Web site file directoryIf you're using the LNMP one-click installation package, the default virtual host configuration environment is in the/usr/local/nginx/conf/vhost/directory:vi/usr/local/nginx/conf/vhost/domain name. confY

Copy Code code as follows: $cfg _dbhost = ' localhost ';//mysql host $cfg _dbname = ' sq_test ';//Database name $cfg _dbuser = ' root ';//database user name $cfg _dbpwd = ' jb51.net ';//database user password $cfg _db_language = ' UTF8 ';//Database encoding Clas

Copy codeThe Code is as follows:$ Pai_dbhost = 'localhost'; // mysql host$ Pai_dbname = 'sq _ test'; // Database Name$ User_dbuser = 'root'; // database username$ Export _dbpwd = 'jb51. net'; // Database User Password$ Pai_db_language = 'utf8'; // database EncodingClass dbmy

The following articles mainly introduce the actual operation solution for restoring MySQL database files through binary logs when they are broken, this article describes how MySQL database files break down. The following describes the main content of this article. I. Scenarios 1. You have used innerdb and enabled bin

MYSQL. SQL file close to 2 GB. How to import data to the database? thank you... MYSQL. SQL file close to 2 GB. Nbsp; how to import data to the database nbsp; thank you... ------ Solution ------------------ refer to the

MYSQL. SQL file close to 2 GB. How to import data to the database? thank you... MYSQL. SQL file close to 2 GB. Nbsp; how to import data to the database nbsp; thank you ..., Refer to the http: // www.2cto.

Connection ID is 3Server version:5.7.21 MySQL Community Server (GPL)Copyright (c), 2018, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of the Oracle Corporation and/or itsAffiliates. Other names trademarks of their respectiveOwners.Type ' help ', ' or ' \h ' for help. Type ' \c ' to clear the current input statement.mysql> show databases;+--------------------+| Database

In other words, I built a database called AC in MySQL, but I can't find its storage location, how is the database stored in MySQL, and is there a log file and data file like SQL Server?MySQL