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How to do 3 table JOIN in UPDATE query?
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the answer is yes you can
try it like that
UPDATE TABLE_A a
JOIN TABLE_B b ON a.join_col = b.join_col AND a.column_a = b.column_b
JOIN TABLE_C c ON [condition]
SET a.column_c = a.column_c + 1
EDIT:
For general Update join :
UPDATE TABLEA a
JOIN TABLEB b ON a.join_colA = ...
Click button copy to clipboard using jQuery
How do I copy the text inside a div to the clipboard? I have a div and need to add a link which will add the text to the clipboard. Is there a solution for this?
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jquery .html() vs .append()
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Whenever you pass a string of HTML to any of jQuery's methods, this is what happens:
A temporary element is created, let's call it x. x's innerHTML is set to the string of HTML that you've passed. Then jQuery will transfer each of the produced nod...
How to get a Docker container's IP address from the host
Is there a command I can run to get the container's IP address right from the host after a new container is created?
52 Ans...
Places where JavaBeans are used?
What is a JavaBean and why do I need it? Since I can create all apps with the class and interface structure? Why do I need beans? And can you give me some examples where beans are essential instead of classes and interfaces?
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Set select option 'selected', by value
I have a select field with some options in it. Now I need to select one of those options with jQuery. But how can I do that when I only know the value of the option that must be selected?
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INSERT INTO…SELECT for all MySQL columns
I'm trying to move old data from:
5 Answers
5
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Select datatype of the field in postgres
How do I get datatype of specific field from table in postgres ?
For example
I have the following table,
student_details (
stu_id integer,
stu_name varchar(30 ),
joined_date timestamp
);
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Using -performSelector: vs. just calling the method
I'm still kind of new to Objective-C and I'm wondering what is the difference between the following two statements?
5 Answe...
Android ListView with different layouts for each row
I am trying to determine the best way to have a single ListView that contains different layouts for each row. I know how to create a custom row + custom array adapter to support a custom row for the entire list view, but how can I implement many different row styles in the ListView?
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