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Installation of MySQL Objectives –Install MySQL Contents –Getting the enviroment for building MySQL server –Rebuilding SRPMS –Removing existing –Installing.

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Presentation on theme: "Installation of MySQL Objectives –Install MySQL Contents –Getting the enviroment for building MySQL server –Rebuilding SRPMS –Removing existing –Installing."— Presentation transcript:

1 Installation of MySQL Objectives –Install MySQL Contents –Getting the enviroment for building MySQL server –Rebuilding SRPMS –Removing existing –Installing new MySQL –Verify installation –Creating MySQL admin Practical –Install MySQL Summary

2 Developers enviroment needed –If you want to install applications from SRPMS or TAR packages –There are many dependencies so for most comfort use: –Get development tools and enviroment is needed: ncurcesncurces-devel binutils gccglibc-develgcc-c++ gcc-objcgcc-locale Then click on Update and follow instruction’s # yast

3 Install original MySQL, Apache & PHP It is a good idea to have RedHat original servers –You will have all files, and only need to update –There are many dependencies so for most comfort use: –Get the webserver and the nessesary addons: Web Server (add PHP, SQL, PERL) SQL Database (check MySQL) –Then click on Update and follow instruction’s # yast

4 Rebuild MySQL from SRPMS Adding user mysqldev Get MySQL –Since we use SuSE or RedHat which is RPM based we get the SRPMS Download MySQL SRPM to /usr/local/src Rebuild Source RPM –This operation needs lot of diskspace > 660 MByte and time –Process take between 1 to 4 hour to complete! # rpmbuild --rebuild MySQL src.rpm # cd /usr/local/src # wget src.rpm # cd /usr/local/src # wget src.rpm # useradd –m –d mysqldev

5 Check rebuilded packages Rebuilded SRPMS en up in: /usr/src/packages/RPMS/i386 Check that the rebuild created this files: SRPMS can also be generated for specific CPU –Then you have to check proper sub-catalogs i486/, i686/... # cd /usr/src/packages/RPMS/i586 # ls –1 MySQL-bench i586.rpm MySQL-client i586.rpm MySQL-debuginfo i586.rpm MySQL-devel i586.rpm MySQL-embedded i586.rpm MySQL-Max i586.rpm MySQL-server i586.rpm MySQL-shared i586.rpm # cd /usr/src/packages/RPMS/i586 # ls –1 MySQL-bench i586.rpm MySQL-client i586.rpm MySQL-debuginfo i586.rpm MySQL-devel i586.rpm MySQL-embedded i586.rpm MySQL-Max i586.rpm MySQL-server i586.rpm MySQL-shared i586.rpm

6 Removing old MySQL and installing new Removing old MySQL libraries, ignoring dependecies Installing new MySQL and subcomponents rpm –qa | grep –i mysql... mysql a rpm -e --nodeps mysql a-11 rpm –qa | grep –i mysql... mysql a rpm -e --nodeps mysql a-11 cd /usr/src/packages/RPMS/i586 rpm -ivh MySQL-shared i586.rpm rpm -ivh MySQL-server i586.rpm rpm -ivh MySQL-devel i586.rpm rpm -ivh MySQL-client i586.rpm rpm -ivh MySQL-debuginfo i586.rpm cd /usr/src/packages/RPMS/i586 rpm -ivh MySQL-shared i586.rpm rpm -ivh MySQL-server i586.rpm rpm -ivh MySQL-devel i586.rpm rpm -ivh MySQL-client i586.rpm rpm -ivh MySQL-debuginfo i586.rpm

7 Checking installation Check that all files are there The rpm –qa takes some time, have pation We also installed mysql-admin, as you can see. The module perl-DBD is needed for API –Use yast to install perl-DBD and mysql-admin rpm -qa | grep -i mysql MySQL-shared MySQL-debuginfo MySQL-server MySQL-client MySQL-devel mysql-administrator perl-DBD-MySQL rpm -qa | grep -i mysql MySQL-shared MySQL-debuginfo MySQL-server MySQL-client MySQL-devel mysql-administrator perl-DBD-MySQL

8 Start service & Create MySQL admin Starting MySQLd service Before you can do anything with MySQL it must be running and you must have a client installed. Check logfiles tail /var/log/messages to se any startup error Creating MySQL admin user Test MySQL # /etc/init.d/mysql start # mysql –u root –p Enter password: mysql> create database test; Query OK, 1 row affected (0.00 sec) mysql> show databases; mysql> drop database test; mysql> exit; # mysql –u root –p Enter password: mysql> create database test; Query OK, 1 row affected (0.00 sec) mysql> show databases; mysql> drop database test; mysql> exit; # /usr/bin/mysqladmin -u root password 'qwerty' # /usr/bin/mysqladmin -u root -h server.my-site.com password 'qwerty' # /usr/bin/mysql_fix_privilege_tables # /usr/bin/mysqladmin -u root password 'qwerty' # /usr/bin/mysqladmin -u root -h server.my-site.com password 'qwerty' # /usr/bin/mysql_fix_privilege_tables

9 Learn SQL basics, create new database Login as administrator in MySQL Create a new database Check that the database exist # mysql -u root -p password:******* mysql>_ # mysql -u root -p password:******* mysql>_ mysql> show databases; | Database | | gronsaker | | mysql | | test | rows in set (0.00 sec) mysql> show databases; | Database | | gronsaker | | mysql | | test | rows in set (0.00 sec) mysql> create database gronsaker; Query OK, 1 row affected (0.01 sec) mysql> create database gronsaker; Query OK, 1 row affected (0.01 sec)

10 Learn SQL basics, connect & create Connect to the database with connect or use Check if database haves tables for data Create listuser for anonymous secure read only access Create the first table vara with product namn and pris - namn and pris is known as columns in table vara Check that the table vara was created with describe or show mysql> use gronsaker; Database changed mysql> use gronsaker; Database changed mysql> show tables; mysql> connect gronsaker; Database changed mysql> connect gronsaker; Database changed mysql> grant select on gronsaker.* to identified by '123456'; mysql> create table gronsaker.vara(namn char(15), pris float); mysql> show columns from vara; mysql> describe vara;

11 Learn SQL basics, adding & viewing data Add a banan worth 5 kr to vara Add äpplen, tomater, potatis, isbergssallad and jordgubbe Check that we got our apples etc. Into database mysql> insert into vara (namn,pris) values ('apple','2.0'); mysql> insert into vara (namn,pris) values ('tomat','1.0'); mysql> insert into vara (namn,pris) values ('potatis','1.0'); mysql> insert into vara (namn,pris) values ('isbergssallad','12.0'); mysql> insert into vara (namn,pris) values ('jordgubbe','0.5'); mysql> insert into vara (namn,pris) values ('apple','2.0'); mysql> insert into vara (namn,pris) values ('tomat','1.0'); mysql> insert into vara (namn,pris) values ('potatis','1.0'); mysql> insert into vara (namn,pris) values ('isbergssallad','12.0'); mysql> insert into vara (namn,pris) values ('jordgubbe','0.5'); mysql> insert into vara (namn,pris) values ('banan','5.0'); mysql> select * from vara; | namn | pris | | banan | 5 | | apple | 2 | | tomat | 1 | | potatis | 1 | | isbergssallad | 12 | | jordgubbe | 0.5 | rows in set (0.07 sec) mysql> select * from vara; | namn | pris | | banan | 5 | | apple | 2 | | tomat | 1 | | potatis | 1 | | isbergssallad | 12 | | jordgubbe | 0.5 | rows in set (0.07 sec)

12 Learn SQL basics, adding new column Add one column lager to table vara Check that the new column was created Set 1000 products in each cathegory mysql> select lager from vara; | lager | | rows in set (0.00 sec) mysql> select lager from vara; | lager | | rows in set (0.00 sec) mysql> alter table vara add column lager integer; mysql> update vara set lager='1000';

13 Learn SQL basics, changing data on one post Check that we now have 1000 products in each cathegory We have only 500 bananer so update only banan mysql> select lager from vara; | lager | | rows in set (0.00 sec) mysql> select lager from vara; | lager | | rows in set (0.00 sec) mysql> select * from vara; | namn | pris| lager | | banan | 5 | 1000 | | apple | 2 | 1000 | | tomat | 1 | 1000 | | potatis | 1 | 1000 | | isbergssallad | 12 | 1000 | | jordgubbe | 0.5 | 1000 | rows in set (0.00 sec) mysql> select * from vara; | namn | pris| lager | | banan | 5 | 1000 | | apple | 2 | 1000 | | tomat | 1 | 1000 | | potatis | 1 | 1000 | | isbergssallad | 12 | 1000 | | jordgubbe | 0.5 | 1000 | rows in set (0.00 sec) mysql> update vara set lager='500' where namn='banan'; Query OK, 1 row affected (0.00 sec) Rows matched: 1 Changed: 1 Warnings: 0 mysql> update vara set lager='500' where namn='banan'; Query OK, 1 row affected (0.00 sec) Rows matched: 1 Changed: 1 Warnings: 0

14 Learn SQL basics, modifying tables Add a limited administrator gadmin for database gronsaker Test the limited administrator Add 123 gurkor of value 1.1 Kr We check that we got gurkor mysql> grant delete,insert,select,update on gronsaker.* to identified by '123456'; # mysql -u gadmin -p password:****** mysql> use gronsaker # mysql -u gadmin -p password:****** mysql> use gronsaker mysql> insert into vara (namn,pris,lager) values ('gurka','1.1','123'); Query OK, 1 row affected (0.00 sec); mysql> select * from vara; | namn | pris | lager | | banan | 5 | 500 | | apple | 2 | 1000 | | tomat | 1 | 1000 | | potatis | 1 | 1000 | | isbergssallad | 12 | 1000 | | jordgubbe | 0.5 | 1000 | | gurka | 1.1 | 123 | rows in set (0.00 sec) mysql> select * from vara; | namn | pris | lager | | banan | 5 | 500 | | apple | 2 | 1000 | | tomat | 1 | 1000 | | potatis | 1 | 1000 | | isbergssallad | 12 | 1000 | | jordgubbe | 0.5 | 1000 | | gurka | 1.1 | 123 | rows in set (0.00 sec)

15 Learn SQL basics, working with tables 5 bananas is sold, update database Check the new banana status, b% show all that begin with b, like b* Some more matching expressions mysql> update vara set lager='495' where namn='banan'; mysql> select lager from vara where namn like 'b%'; | lager | | 495 | row in set (0.00 sec) mysql> select lager from vara where namn like 'b%'; | lager | | 495 | row in set (0.00 sec) rlike) regular expressions. All characthers, but only one * all characters, more than one [a-z] any character in the interval rlike) regular expressions. All characthers, but only one * all characters, more than one [a-z] any character in the interval like) % all characters, more than one _ all characters, but only one like) % all characters, more than one _ all characters, but only one

16 Learn SQL basics, working with tables Limit your search result to the 3 first found Which wares costs more than 2 Kr ? Remove all wares that costs more than 2 Kr There are offcourse much more to learn about databases. Recomended books: PHP 5 PROGRAMMERING ISBN: DEN SNABBA VÄGEN TILL GRUNDERNA I MYSQL ISBN: Next we will setup Apache2 webserver mysql> select * from vara limit 3; mysql> delete from vara where pris > 2; mysql> select namn from vara where pris > 2;


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