The producers is practicing <u>specialization</u> when a manufacturer or a producer concentrates on one very specific product.
Answer: Option C
<u>Explanation:</u>
Specialization is when a producer produces only a particular kind of good and focuses on the production of that good. The producer of that good tries to reduce the cost of producing that good and increase in profit.
Proper efficient techniques are used and that too efficiently so that the resources used in that goods are also used judiciously and not wasted. This helps the producer of that good to become competitive in the market of that good and do better than others.
Answer:
29
Explanation:
Brake it down- 10+10=20, 20+9=29.
The answer is Count. Count is an aggregate method in SQL that returns the number of rows for a specified column that have non-null values.
<h3>What is the Meaning of Null?</h3>
When a field in a database has no values at all, this is known as null and indicates that the field’s value is unknown.
A null value for a number field, text field, or space value is different from a zero value. Null indicates that no value has been recorded in a database field.
A value and a null cannot be compared. The Structured Query Language query cannot be written as SELECT * FROM Customer where email Address=null, for instance, if it is intended to obtain all customers without email addresses from a Customer Addresses table.
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