The Characteristics of Data Model are as follows except one. Select one:
a. The very first data model could be flat data-
models, where all the data used are to be kept in
the same plane.
b. Data models define how the logical structure
of a database is modelled
Data models define how data is disconnected
to each other and how they are processed and
stored inside the system
d Data Models are fundamental entities to
introduce abstraction in a DBMS

Anetwork security application that prevents access between a private and trusted network and other untrusted networks

Who is most likely be your target audience if you create a slide presentation that had yellow background and purple text

Formatting rows and columns is similar to cell formatting. in an openoffice calc spreadsheet, you can format data entered into rows and columns with the of the rows and columns options. you can insert rows and columns into, or delete rows and columns from, a spreadsheet. use the insert or delete rows and columns option on the insert tab. alternatively, select the row or column where you want new rows or columns to appear, right-click, and select insert only row or only column options. you can hide or show rows and columns in a spreadsheet. use the hide or show option on the format tab. for example, to hide a row, first select the row, then choose the insert tab, then select the row option, and then select hide. alternatively, you can select the row or columns, right-click, and select the hide or show option. you can adjust the height of rows and width of columns. select row and then select the height option on the format tab. similarly, select column, then select the width option on the format tab. alternatively, you can hold the mouse on the row and column divider, and drag the double arrow to the position. you can also use the autofit option on the table tab to resize rows and columns.