Q3. Using the integrity enhancement features of SQL, write the statements that add the following constraints: 1. The Product Price on the PROUCT table must be between 20 and 200 2. No two vendors with the same names in VENDOR table
SQL
SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.
Queries
A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.
![SALESREP
PK SLSREP_NUM
PK CUST NUM
CUSTOMER
CUST_LNAME
CUST_FNAME
CUST_AREACODE
CUST_PHONE
CUST_E-MAIL
FK2
CUST_SHIP_ADDRESS
CUST_SHIP_CITY
CUST_SHIP_STATE
CUST_ZIP_CODE
INVOICE
PK INV_NUM
SLSREP_LNAME-It writes OFK1 CUST_NUM
FK2 SLSREP_NUM
SLSREP_FNAME
SLSREP INITIAL
INV_DATE
SLSREP_EMAIL
INV_SUBTOTAL
PK,FK1
PK
I
generates
INV_TAX
INV_TOTAL
contains
INV_LINE
INV_NUM
INV LINE NUM
PROD_CODE
INV_LINE_PRICE
INV_LINE_QUANT
INV_LINE_TOTAL
VENDOR
PK VEND_CODE
VEND NAME
VEND_CONTACT
VEND_EMAIL
I
I
supplies
I
PRODUCT
PROD_CODE
PK
0 is written in +1-FK1 VEND_CODE
PROD_DESCRIPTION
PROD_PRICE
PROD_QOH](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcd5da8ff-4431-48d6-85ae-fd44a736fbf1%2F493e85df-1ae3-401e-8df2-c55d84f364f6%2F327mrtq_processed.png&w=3840&q=75)
![Q3. Using the integrity enhancement features of SQL, write the statements that add the
following constraints:
1. The Product Price on the PROUCT table must be between 20 and 200
2. No two vendors with the same names in VENDOR table](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcd5da8ff-4431-48d6-85ae-fd44a736fbf1%2F493e85df-1ae3-401e-8df2-c55d84f364f6%2F9lmu1ej_processed.png&w=3840&q=75)
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SQL stands for Structured Query Language.
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