Answer:
UPDATE acctmanager WHERE amid = 'J500';
Explanation:
The statement written above is not valid SQL statement because there is no SET after UPDATE. Update is always used with SET.If you are updating something then you need to specify the value with which that value should be replaced.
UPDATE acctmanager SET amname = UPPER(amname);
This statement does not contains WHERE clause but it will run all the values of amname column will get updated in the table acctmanager.
Answer:
That is called declaring a variable
Explanation:
Answer:
Developer tools.
Explanation:
The main aim of developer tools to loading the HTML(hypertext markup language), CSS and JavaScript it describes how much time takes the page to load in the web browser.
The developer tools make the task easier for the designer to locate the source code which is applied to a specific page element.We can easily see the source code of the particular website by using the Developer tools. So it makes the task easier for programmers and developers.