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3 years ago

Explain about RDBMS. Include advantages/ disadvantages. Compare DBMS vs RDBMS. Explain about Oracle as well.

Computers and Technology

2 answers:

Lisa [10]3 years ago

7 0

Answer:

RDBMS stands for Relational Database Management System and DBMS stands for Database Management System.

Explanation:

DBMS stores data in file format. it does not include the relation ships among the data. There is no data integrity and atomicity. RDBMS stores data in tabular format and each row in table is uniquely identified by the primary key. It follows ACID(Atomicity, Concurrency, Integrity, Durability) Principles and very robust.it also makes use of Normalization.

RDBMS is more useful for data maintenance that DBMS. we can easily retrieve data using RDMS as it follows some relation ships between data using foreign keys .

Oracle is one kind of RDMS.Here we store data in the form of tables. Select,Insert,Update,Delete commands are used for data operations

True [87]3 years ago

5 0

Answer:

Database Management System, Relational Database Management System, Oracle

Explanation:

Relational Database Management Systems is a set of programs that allows Information Technology groups with the ability to create, administer. and update and relates with relational database

RDBMS store data by way of Tables, they use Structured query language to relate with the database

The advantages of relational Database are as follows

Data structure:the table format in tables used in RDBMS is understandable which provides a structural manner and organized manner
Flexibility: By updating data is more better since , additional changes only needs to be done in one place

The disadvantages Includes

A special software must be used to implement RDBMS
The Cost of execution for the software to be installed

The Difference between DBMS and RDBMS are

RDBMS can work with multiple users, while a DBMS can only have one user at a time

RDBMS need more software and hardware than a DBMS
RDBMS can manage or use any amount of data, but a DBMS can only manage a small amount of data

ORACLE: The Oracle database is multi-model database that run may instances or programs at a time. an example were an oracle is used for is the Online transaction processing (OTP)

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Svetllana [295]

Answer:

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3 years ago

Why MUST you request your DSO signed I-20 ship as soon as it is ready and who is responsible to request the I-20

Klio2033 [76]

Why MUST you request your DSO signed I-20 ship as soon as it is ready and who is responsible to request the I-20?

a. It is required you have an endorsed/signed I-20 when Customs and Border Patrol or police ask for it

b. We only keep an unsigned digital copy and cannot sign an I-20 after the fact

c. It is against U.S. regulations to send digital (signed or not) DS-2019s and must treat I-20s the same

d. You will need all signed original I-20s to make copies to apply for OPT, STEM and H-1B in the future, so get them now!

e. It is the student’s choice to request each term, however, we cannot go back retroactively to provide past copies

f. We can only provide a signed copy of current I-20 and if changes occur from previous semesters that information will not show

g. The original endorsed I-20 signed by a DSO will be destroyed after 30 days of issuance if not picked up, and it cannot be replicated

h. The cost to have I-20 shipped may go up at any time

i. All the above

Answer:

i. All the above

Explanation:

DSO means designated school officials and they have to do with Student and Exchange Visitor Program (SEVP)-certified schools where students have to get a Form I-20, “Certificate of Eligibility for Nonimmigrant Student Status which provides information about the student's F or M status.

What a student must request for from his DSO signed I-20 ship are all the above options.

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3 years ago

Gretchen has just started making a new presentation in a series of PowerPoint presentations. The default formatting for text in

timurjin [86]

Answer:

text only

Explanation:

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3 years ago

Suppose within your Web browser you click on a link to obtain a Web page. The IP address for the associated URL is not cached in

Firdavs [7]

Answer:

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Explanation:

The total estimated time to get the IP address is

RTT1+ RTT2+..... RTTn

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3 years ago

Given the CIDR IPv4 address block, 200.245.10.0/28, how many subnets are possible and how many hosts can be supported by each su

grin007 [14]

The number of hosts that can be supported by each subnet are option d. 24 = 16 subnets, 24 - 2 = 14 hosts per subnetwork.

<h3>What is a subnet?</h3>

This is also called a subnetwork and it is known to be a form of a segmented aspect of a bigger network.

Note also that in the above case, the number of hosts that can be supported by each subnet are option d. 24 = 16 subnets, 24 - 2 = 14 hosts per subnetwork.

See options below

a. 228 = 268 subnets, 24 -2 = 14 hosts per subnetwork

b. 24 = 16 subnets, 228 - 2 = 268E6 hosts per subnetwork

c. 24 - 2 = 14 subnets, 24 = 16 hosts per subnetwork

d. 24 = 16 subnets, 24 - 2 = 14 hosts per subnetwork

Learn more about subnets from

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2 years ago