Answer:
i think a but not so sure
Explanation:
Answer:
b. data entry slows as every INSERT , UPDATE, or DELETE statement must also update every index.
Explanation:
This process help to improve the speed of get data , it takes each element in the indexed column and save the location to get faster the data. But if you index every attribute in a table it going to take a lot of time locating each column in the respective index in each query(update, delete and insert). For that reason is necesary be carefull with this process and only put index in the relevant columns
Answer:
Explanation:
A relational database is designed to enforce the uniqueness of primary keys by allowing only one row with a given primary key value in a table. A foreign key is a column or a set of columns in a table whose values correspond to the values of the primary key in another table.
Answer:
Managing tags means experience with the programming language to utilize them.
Explanation:
In different markets, tags are used to assigned prices and values to different products. To make these tags "tag management systems" are deployed to manage and create these tags.
Tag management system is software, that is used to create the tags with ease. There is no need of coding or programming while creating tags.
<em>So we can say that, There is no issue of Managing tags means experience with the programming language to utilize them.</em>
