Answer: workbook
Explanation:
A workbook is the file that holds several worksheets.
The worksheets within a workbook can communicate with each other within the workbook or with other workbooks and their worksheets.
A worksheet within a workbook holds cells that are defined by rows and columns. Worksheets within a workbook can removed and new worksheets can be added.
<span>The l</span><span>l command is the commonly predefined alias that is configured to run the ls âl command. The command ls stands for list. So instead of writing list, in Linux you only write the command ls.
The alias are </span>shortcuts and time-savers. By typing ll we'll get the current directory's listing, in long format, including hidden directories.
Answer:
True
Explanation:
A single file can be used to record/ store all the information regarding a transaction because in a transaction there are less complexities. a simple transaction involves an exchange/communication between a buyer and a seller which involves exchange in finances between the buyer and the seller.
An employee can be involved in several activities like work activities and multiple transactions while a single inventory part record is different from an employee's record and any other form of transaction. hence separate files have to be created for each of these activities.
To have an easy access to this information when needed a master file is created to store all the individual files.
Answer:Schema
Explanation: A schema is the group that contains objects of databases with views, index, triggers, tables etc features. The specific user can access schema who persist a certain username.The user is considered as the owner of the database and its element.
Schema is usually bound to have only single database.There are some schema that are already present in the system as the in-built schema .E.g.- sys, guest etc.
Answer: Safety effort of system is defines as the measures that are taken to provide and maintain the protection of the system.There are several methods ,tool and efforts made for the system security .Benefits of the system security are as follows:-
- Takes control over the hazardous situation and maintain the security
- System security will also increase the development of the system easily.
- Approach towards the analyzing of the system function
- Data, information and functions are safe from being detected in unauthorized way.
- Functions and implementation is made easy without the fear of getting attacked or hacked.