Use SQL Developer to write the commands to perform the task below. JustLee Books wants to create a role for customer service representatives. These employees need to be able to enter new orders and customers into the database as well as cancelling or modifying existing orders. They need to be able to see the details about each order, including the book, author, and publisher information. Please write the commands necessary to create the role and give the role the necessary privileges for the appropriate tables. Think about what tables the employees will need to be able to look at (SELECT), as well as those they will need to be able to UPDATE, DELETE or INSERT rows. Don't forget to include any bridging tables that might be necessary.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.

a  social news website  is an  internet  website  that features  user-posted stories. such stories are ranked based on popularity, as voted on by other users of the site or by website administrators. users typically comment online on the news posts and these comments may also be ranked in popularity. since their emergence with the birth of  web 2.0, social news sites have been used to link many types of information, including news, humor, support, and discussion. all such websites allow the users to submit content and each site differs in how the content is moderated. on the  slashdot  and  fark  websites,  administrators  decide which articles are selected for the front page. on  reddit  and  digg, the articles that get the most votes from the community of users will make it to the front page. many social news websites also feature an online comment system, where users discuss the issues raised in an article. some of these sites have also applied their voting system to the comments, so that the most popular comments are displayed first. some social news websites also have a  social networking  function, in that users can set up a user profile and follow other users' online activity on the website.