Relational algebra, first described by E.F. Codd while at IBM, is a family of algebra with a well-founded semantics used for modelling the data stored in relational databases, and defining queries on it. To organize the data, first the redundant data and repeating groups of data are removed, which we call normalized. By doing this
wget http://www.us.apache.org/dist/tomcat/tomcat-7/v7.0.57/bin/apache-tomcat-7.0.57.tar.gz tar -xvvf apache-tomcat-7.0.57.tar.gz mv apache-tomcat-7.0.57 /opt/tomcat nano /opt/tomcat/conf/tomcat-users.xml find the <tomcat-users> </tomcat-users> lines and in between add the below entry <role rolename="manager-gui"/> <role rolename="manager-script"/> <role rolename="manager-jmx"/> <role rolename="manager-status"/> <role rolename="admin-gui"/> <role rolename="admin-script"/> <user username="admin" password="admin" roles="manager-gui,manager-script,manager-jmx,manager-status,admin-gui,admin-script"/> and save the file and then issue command chmod 755 /opt/tomcat sh /opt/tomcat/bin/startup.sh
<code>firewall-cmd –permanent –add-port=8080/tcp firewall-cmd –reload</code>
Go to the /usr folder cd /usr and then extract updates portsnap fetch extract then go to mysql client folder in ports(the version may change on your ports version and updates) /usr/ports/databases/mysql56-client then issue the command to install client make install clean and then navigate to the server folder cd /usr/ports/databases/mysql56-server then install it make
javaws -version [root@centos ~]# javaws: error while loading shared libraries: libX11.so.6: cannot open shared object file: No such file or directory -bash: javaws:: command not found install this package yum -y install libX11-devel.x86_64 and then magic happens [root@centos ~]# javaws -version Java(TM) Web Start 10.71.2.14-fcs Usage: javaws [run-options] <jnlp-file> javaws [control-options]
wget –no-cookies \ –no-check-certificate \ –header "Cookie: oraclelicense=accept-securebackup-cookie" \ "http://download.oracle.com/otn-pub/java/jdk/7u71-b14/jdk-7u71-linux-x64.rpm"
This issue had raised when I wanted to update IBM Rad 8. So according to IBM Documentations Solution 1 Solution 2 This issue happens when you have 3rd party plugins installed on your IDE. So simply launch your RAD uncheck update sites for 3rd arty sites Launch a command line prompt and navigate to C:\Program Files\IBM\Installation Manager\eclipse
select * from TIKY.IKY_TPERSONEL PT WHERE LENGTH(TO_CHAR(PT.IKY_PER_SCL_NO)) = 5;