. After entering all fields required for a table, if you realize that the third field is not needed, how will you remove?
Options: a. You need to delete the whole table. There is no method to remove a particular field only.
b. Delete all the fields from third downwards and reenter the required fields again.
c. Select the third column in datasheet view then delete
d. Select the third row in table design view then delete
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are
Options: universal accessibility for private network Data Terminal Equipment (DTE), adequate cost control mechanisms for administration of the private networks, to assign address to private network DTEs, a and b both
Many large organizations have information _____ where managers can use fourth-generation languages to retrieve the facts they need from online data bases, and where staff experts are available to provide PC hardware/ software guidance.
Options: Hard-coded SQL statements in a program language such as Java., The process of making an application capable of generating specific SQL code on the fly., Hard-coded SQL statements in a procedure., Hard-coded SQL statements in a trigger.
Options: a. Clicking the upper-left cell in a group of cells and then pressing the Shift key while clicking the lower right cell in a group of cells b. Pressing the Ctrl key while dragging over the desired cells c. Pressing the Shift key and an arrow key d. Dragging over the desired cells
Which of the following is a disadvantage of replication?
Options: Reduced network traffic, If the database fails at one site, a copy can be located at another site., Each site must have the same storage capacity., Each transaction may proceed without coordination across the network.
Options: a. click the edit comment command on the insert menu b. click the display comment command on the window menu c. position the mouse pointer over the cell d. click the comment command on the view menu