How to make & quot; If exists Update else Insert & quot; in MS SQL

I have problems with the syntax of my title. I have two tables and table1 insert or update a record in table2 depending if this folder already exists in table2.

The two tables are the same, that contains column1 and column2 for example. Column1 is a primary key without duplicate allowed and column2 is the column of data that requires an updated / inserted in table2.

I have spent a lot of time looking for the correct msec which will allow me to do it, but I didn't know all the solutions for coldFusion. Most of them suggested "ON DUPLICATE KEY UPDATE" to mySQL, what I need, but MS SQL don't like this expression. So, if someone can help me to get a request to do what I need, that would help me a lot!

Use a statement.

First of all, use your form or cfloop or loop index or else pass the value of the field you want in the 2nd table (you do not specify how you did that, but it's cool).

Suppose you 'value1', this is what was adopted from a form or a cfloop that you used to review an initial request to pull records for comparison, and the query is called "Query1"



SELECT *.
FROM Table2
WHERE Column1 = ' #query1.value1 # ' AND Column2 = ' #query1.value2 # ' (OR WHAT YOU COMPARE)



(make your SQL INSERT statements to insert into Table2 suited or use cfinsert)



(make your SQL UPDATE instructions to update the record in Table2 that suits)


Please let me know if it helps.

-Mike

Tags: ColdFusion

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