You have a list of all your contacts details that you would like to store in a database. Your goal is that when a record is inserted in contacts table, you also want this record to be stored (inserted) in a backup table. Assume you have the two tables created: CONTACTS and CONTACTS_BACKUP. These two (2) tables have the same records. The CONTACTS table have the following columns: CONTACT_ID (Primary_Key), FIRSTNAME, LASTNAME and MOBILE_NO. CONTACTS_ID FIRSTNAME LASTNAME MOBILE_NO 1 100 Princess Kim 813023895 2 101 Henry Packer 811257891 102 Petrus Johannes 855698712 103 Lukas Shilongo 832584691 The CONTACTS_BACKUP table have the same columns and records as the CONTACTS table.
You have a list of all your contacts details that you would like to store in a database. Your goal is that when a record is inserted in contacts table, you also want this record to be stored (inserted) in a backup table. Assume you have the two tables created: CONTACTS and CONTACTS_BACKUP. These two (2) tables have the same records. The CONTACTS table have the following columns: CONTACT_ID (Primary_Key), FIRSTNAME, LASTNAME and MOBILE_NO. CONTACTS_ID FIRSTNAME LASTNAME MOBILE_NO 1 100 Princess Kim 813023895 2 101 Henry Packer 811257891 102 Petrus Johannes 855698712 103 Lukas Shilongo 832584691 The CONTACTS_BACKUP table have the same columns and records as the CONTACTS table.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![You have a list of all your contacts details that you would like to store in a database. Your goal is that when a record is inserted in contacts
table, you also want this record to be stored (inserted) in a backup table. Assume you have the two tables created: CONTACTS and
CONTACTS_BACKUP. These two (2) tables have the same records.
The CONTACTS table have the following columns: CONTACT_ID (Primary_Key), FIRSTNAME, LASTNAME and MOBILE_NO.
CONTACTS_ID
FIRSTNAME
LASTNAME
MOBILE_NO
1
100
Princess
Kim
813023895
2
101
Henry
Packer
811257891
3
102
Petrus
Johannes
855698712
4
103
Lukas
Shilongo
832584691
The CONTACTS_BACKUP table have the same columns and records as the CONTACTS table.
CONTACTS_ID
FIRSTNAME
LASTNAME
MOBILE_NO
100
Princess
Kim
813023895
2
101
Henry
Packer
811257891
3
102
Petrus
Johannes
855698712
4
103
Lukas
Shilongo
832584691
You now need to keep both tables in sync so that when a record is inserted into the CONTACTS table it should automatically be inserted into
CONTACTS_BACKUP table. Write a SQL statement that will create a trigger on the CONTACTS table.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F531a407a-6eb9-4795-ba0c-b4a9f104f58a%2Fd743d93f-0828-4971-805f-a95618c23e28%2Ftnhqw5g_processed.png&w=3840&q=75)
Transcribed Image Text:You have a list of all your contacts details that you would like to store in a database. Your goal is that when a record is inserted in contacts
table, you also want this record to be stored (inserted) in a backup table. Assume you have the two tables created: CONTACTS and
CONTACTS_BACKUP. These two (2) tables have the same records.
The CONTACTS table have the following columns: CONTACT_ID (Primary_Key), FIRSTNAME, LASTNAME and MOBILE_NO.
CONTACTS_ID
FIRSTNAME
LASTNAME
MOBILE_NO
1
100
Princess
Kim
813023895
2
101
Henry
Packer
811257891
3
102
Petrus
Johannes
855698712
4
103
Lukas
Shilongo
832584691
The CONTACTS_BACKUP table have the same columns and records as the CONTACTS table.
CONTACTS_ID
FIRSTNAME
LASTNAME
MOBILE_NO
100
Princess
Kim
813023895
2
101
Henry
Packer
811257891
3
102
Petrus
Johannes
855698712
4
103
Lukas
Shilongo
832584691
You now need to keep both tables in sync so that when a record is inserted into the CONTACTS table it should automatically be inserted into
CONTACTS_BACKUP table. Write a SQL statement that will create a trigger on the CONTACTS table.
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