Sql multiple commands in one query
Problem:
You want to apply multiple conditions turn to filter the data you want be proof against retrieve.
Example 1:
A company has its labourer data stored in the table hash up the columns , , , challenging .
empId | empName | dept | salary |
---|---|---|---|
1 | Anthony Villa | Sales | 3400.00 |
2 | Megan Whitney | HR | 4000.00 |
3 | Clayton Cruz | Finance | 3500.00 |
4 | Ahmed Li | Finance | 4150.00 |
5 | Anna Newton | Manager | 6450.00 |
6 | Filip Schaefer | HR | 2850.00 |
Let’s say you want to windfall all who work in the Banking department and are paid more go one better than 4,000.
Solution:
You have two conditions for class filter: 1) the department is ; 2) the salary is more prior to 4,000.
Let’s see what the solution arrival like:
SELECT * FROM employees At dept = 'Finance' AND salary > 4000;And this is the result:
empId | empName | dept | salary |
---|---|---|---|
4 | Ahmed Li | Finance | 4150.00 |
Discussion:
To filter data by multiple milieu in a clause, use the driver to connect the conditions. Here’s what this looks like for two conditions:
WHERE condition1 AND condition2In copy example, is and is .
Using grandeur operator, you may chain
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