Home Database Mysql Tutorial linux下perl操作mysql数据库(需要安装DBI)_MySQL

linux下perl操作mysql数据库(需要安装DBI)_MySQL

Jun 01, 2016 pm 01:22 PM
linux mysql database details

bitsCN.com DBI安装:DBI详细信息参考:http://dbi.perl.org/
1.下载DBI包:
wget http://search.cpan.org/CPAN/authors/id/T/TI/TIMB/DBI-1.620.tar.gz
2 解压
tar xzf DBI-1.620.tar.gz
3 进入解压包内,
perl Makefile.PL
4 make test
5 make
6 make install (如果不是root用户,要sudo一下)
DBD安装:
1.下载DBD
wget http://search.cpan.org/CPAN/authors/id/C/CA/CAPTTOFU/DBD-mysql-4.021.tar.gz
2. 3. 同上
在进行第三步是可能会出现mysql_config找不到的情况,应该是没有安装开发工具包
sudo apt-get install libmysqld-dev
sudo apt-get install libmysqlclient-dev
来安装这两个包。
其余同上。
完成安装后就可以利用perl脚本进行mysql数据的操作了。
编写perl脚本操作数据库

#! /usr/bin/perl
use DBI;
my $driver="DBI:mysql";
my $database="perl_test";
my $user="root";
my $host="localhost";
my $passwd="root";
my $rules="alert_rules";
my $dbh = DBI->connect("$driver:database=$database;host=$host;user=$user;password=$passwd")
or die "Can't connect: " . DBI->errstr;
my $sth=$dbh->prepare("select app_name,receivers from $rules ");
$sth->execute() or die "Can't prepare sql statement". $sth->errstr;
my $sth=$dbh->prepare("select app_name,receivers from $rules ");
$sth->execute() or die "Can't prepare sql statement". $sth->errstr;
# 打印获取的数据
while(@recs=$sth->fetchrow_array){
print $recs[0].":".$recs[1]."/n";
}
$sth->finish();
$dbh->disconnect();
bitsCN.com

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

The relationship between mysql user and database The relationship between mysql user and database Apr 08, 2025 pm 07:15 PM

In MySQL database, the relationship between the user and the database is defined by permissions and tables. The user has a username and password to access the database. Permissions are granted through the GRANT command, while the table is created by the CREATE TABLE command. To establish a relationship between a user and a database, you need to create a database, create a user, and then grant permissions.

RDS MySQL integration with Redshift zero ETL RDS MySQL integration with Redshift zero ETL Apr 08, 2025 pm 07:06 PM

Data Integration Simplification: AmazonRDSMySQL and Redshift's zero ETL integration Efficient data integration is at the heart of a data-driven organization. Traditional ETL (extract, convert, load) processes are complex and time-consuming, especially when integrating databases (such as AmazonRDSMySQL) with data warehouses (such as Redshift). However, AWS provides zero ETL integration solutions that have completely changed this situation, providing a simplified, near-real-time solution for data migration from RDSMySQL to Redshift. This article will dive into RDSMySQL zero ETL integration with Redshift, explaining how it works and the advantages it brings to data engineers and developers.

Query optimization in MySQL is essential for improving database performance, especially when dealing with large data sets Query optimization in MySQL is essential for improving database performance, especially when dealing with large data sets Apr 08, 2025 pm 07:12 PM

1. Use the correct index to speed up data retrieval by reducing the amount of data scanned select*frommployeeswherelast_name='smith'; if you look up a column of a table multiple times, create an index for that column. If you or your app needs data from multiple columns according to the criteria, create a composite index 2. Avoid select * only those required columns, if you select all unwanted columns, this will only consume more server memory and cause the server to slow down at high load or frequency times For example, your table contains columns such as created_at and updated_at and timestamps, and then avoid selecting * because they do not require inefficient query se

How to fill in mysql username and password How to fill in mysql username and password Apr 08, 2025 pm 07:09 PM

To fill in the MySQL username and password: 1. Determine the username and password; 2. Connect to the database; 3. Use the username and password to execute queries and commands.

MySQL: The Ease of Data Management for Beginners MySQL: The Ease of Data Management for Beginners Apr 09, 2025 am 12:07 AM

MySQL is suitable for beginners because it is simple to install, powerful and easy to manage data. 1. Simple installation and configuration, suitable for a variety of operating systems. 2. Support basic operations such as creating databases and tables, inserting, querying, updating and deleting data. 3. Provide advanced functions such as JOIN operations and subqueries. 4. Performance can be improved through indexing, query optimization and table partitioning. 5. Support backup, recovery and security measures to ensure data security and consistency.

How to view mysql How to view mysql Apr 08, 2025 pm 07:21 PM

View the MySQL database with the following command: Connect to the server: mysql -u Username -p Password Run SHOW DATABASES; Command to get all existing databases Select database: USE database name; View table: SHOW TABLES; View table structure: DESCRIBE table name; View data: SELECT * FROM table name;

Can I retrieve the database password in Navicat? Can I retrieve the database password in Navicat? Apr 08, 2025 pm 09:51 PM

Navicat itself does not store the database password, and can only retrieve the encrypted password. Solution: 1. Check the password manager; 2. Check Navicat's "Remember Password" function; 3. Reset the database password; 4. Contact the database administrator.

How to copy and paste mysql How to copy and paste mysql Apr 08, 2025 pm 07:18 PM

Copy and paste in MySQL includes the following steps: select the data, copy with Ctrl C (Windows) or Cmd C (Mac); right-click at the target location, select Paste or use Ctrl V (Windows) or Cmd V (Mac); the copied data is inserted into the target location, or replace existing data (depending on whether the data already exists at the target location).

See all articles