It is always a hassle and time consuming to create a table in the database and insert the values in it manually. Most of the time we want a predefined data to be used for analyzing the database queries This article describes how to load data with Oracle Database 10g Express Edition. Furthermore, loading data …
Most of the time we want a predefined dataset to be used for analyzing the database queries. It is quite hard to find a good dataset repository for different projects like database, data science, machine learning. If you have ever worked on some database project, you’ve probably have spent most of your time browsing the …
groupdel command is used to delete all entries related to a group in the system. The named group must exist. Syntax: groupdel [options] GROUP
groupmod command in linux is used to modify the information related to any existing group. Syntax groupmod [options] GROUP
groupadd command in linux is used to create a new group. groupadd [Options] group. The list of existing groups in the system is available in /etc/group file
Conversion of an E-R diagram into a relational model is required because E-R diagrams represent the conceptual level of the database design while the relational model represents the logical level.
usermod command in linux is used to modify an existing user’s account information. Only the super user can use this command.
Relationships in the E-R diagram play a very vital role as they are the ones with the help of which one can convert any E-R diagram into database tables
userdel command in linux is used to delete an existing user and related files. Only the super user can use this command.
useradd command is used to add a new user in the system. In other words it is used to create a new login account for a different user. useradd command can be used only by the root user.