Answer:
The Update statement in the DML is used for changing existing data in a table.
Explanation:
Their are following Sql statement in the DML.
Insert
This SQL statement is used for inserting data into the table.
select
This SQL statement is used for retrieving data from database
update
This SQL statement is used for updating data in a table.
delete
This SQL statement is used for delete data from database .
The "UPDATE" SQL statement in DML is used for Modify the data in the existing table .
Following are the syntax of Update SQL query
Update tablename
set column1=value1,column2=value2............column N=valueN
Where condition;
Example :Suppose we have student table and (rollno,name,age and add) are the field for that table we have to change the address of rollno 105
Then we use update query like that
UPDATE STUDENT
SET add='kalam nagar'
where rollno=105;
Answer:
A. declines in labor productivity
Explanation:
Answer:
The correct answer for the given question is "True".
Explanation:
In HTMLheading level tag are used to indicate the heading in the web page
Their are following 6 types of heading tag
<h1>hello1</h1>
<h2>hello2</h2>
<h3>hello3</h3>
<h4>hello4</h4>
<h5>hello5</h5>
<h6>hello6 </h6>
The <h1> tag will display content in largest form in web page whereas <h6> tag will display content in small form in web page.
Following are the code of heading tag in HTML
<html>
<body>
<h1>hello1</h1>
<h2>hello2</h2>
<h3>hello3</h3>
<h4>hello4</h4>
<h5>hello5</h5>
<h6>hello6 </h6>
</body>
</html>
In this the heading hello1 will display in web browser in a larger bold typeface.
