Difference Between Where And Having Clause In Sql

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what is the difference between SQL and API?​

Ask: what is the difference between SQL and API?​

There is no difference both use for same purpose. Akib If there is no similarity then there is no difference but you can say there is relation with API and SQL queries. API use to get data from database through server side to client side. So SQL queries play important role in API.

Give at least five (5) SQL clauses and describe its

Ask: Give at least five (5) SQL clauses and describe its purpose.​

Answer:

Where clauses

Order by clauses

having clauses

top clauses

group clauses

Explanation:

What is the difference between count, count distinct, and count(*)

Ask: What is the difference between count, count distinct, and count(*) in sql?

Count would show a result of all records.

Count distinct will result in showing only distinct count.

Count(*) will count the number of records.

what is the difference between SQL and API

Ask: what is the difference between SQL and API

Answer:

There is no difference both use for same purpose. Akib If there is no similarity then there is no difference but you can say there is relation with API and SQL queries. API use to get data from database through server side to client side. So SQL queries play important role in API.

describe the six clauses in the syntax of an sql

Ask: describe the six clauses in the syntax of an sql retrieval query​

Answer:

A query in SQL consists of up to six clauses. … These six clauses in no particular order are SELECT, FROM, WHERE, GROUP BY, HAVING, and ORDER BY. These clauses have to be coded in a precise sequence.

Explanation:

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Evaluate the following SQL commandSELECT employee_id, hire_date, department_name FROM employees,

Ask: Evaluate the following SQL command
SELECT employee_id, hire_date, department_name FROM employees, departments
WHERE departments.department_id = employees.department_id
Select one:

a.
The SQL command will produce an error.

b.
The SQL command will give an incorrect output.

c.
The SQL command should have ALIAS for the table to produce a correct output.

d.
The SQL command will produce a correct output.​

Answer:

Explanation:

D. This should produce a correct output.

I’m making a number of assumptions here. More specifically, that this is likely referring to the standard MySQL syntax (or identical in this context) and that both tables “employees” and “departments” contain columns “employee_id”, “hire_date”, and “department_name”. If one or both of these assumptions are wrong, then the answer should be A (error).

SELECT employee_id, hire_date, department_name

FROM employees, departments

WHERE departments.department_id = employees.department_id

This WHERE line compares the department_id from the “departments” table and “employees” table. It will only SELECT the “employee_id”, “hire_date” and “department_name” of the records FROM both tables IF their “department_id” values are the same.

what is the difference between SQL and MySQL?​

Ask: what is the difference between SQL and MySQL?​

Answer:

What is the difference between SQL and MySQL? In a nutshell, SQL is a language for querying databases and MySQL is an open source database product. SQL is used for accessing, updating and maintaining data in a database and MySQL is an RDBMS that allows users to keep the data that exists in a database organized.

Explanation:

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explain the difference between noun clauses, adverb clause, and the

Ask: explain the difference between noun clauses, adverb clause, and the adjective clause

Answer:Independent clause

the Prime Minister is in Ottawa

Some clauses, however, cannot stand alone as sentences: in this case, they are dependent clauses or subordinate clauses. Consider the same clause preceded by the subordinating conjunction when:

Dependent clause

when the Prime Minister is in Ottawa

In this case, the clause cannot stand alone as a sentence since the conjunction when suggests that the clause is providing an explanation for something. As this dependent clause answers the question when? just like an adverb does, it is called a dependent adverb clause (or simply an adverb clause as adverb clauses are always dependent clauses). Note that this clause can replace the adverb tomorrow in the following example:

Adverb

The committee will meet tomorrow.

Adverb clause

The committee will meet when the Prime Minister is in Ottawa.

Dependent clauses may function as adverbs as well as nouns and adjectives.

Explanation:   i hope it can help

True or False. In SQL, you cannot perform delete and

Ask: True or False. In SQL, you cannot perform delete and update commands without using where clause.

Answer:

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Difference between where clause and order

Ask: Difference between where clause and order

The WHERE clause specifies the rows you want to look at. The Order by the statement, on the other hand, sorts the result set in ascending or descending order.

Explanation:

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