Oracle SQL MERGE Statement

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In this video, we’ll learn what the Oracle MERGE statement does and how you can use it.

What is the MERGE statement? It’s a statement that lets you either insert or update data in a table - all in a single statement!
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what i like is that you provide sample data to work . That is what i like.

peterkosmas
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Super clear explanation, thanks for the guide!

jared
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Very Helpful! The thing I don't understand is: Why it works also with other schema by specifying it before table if different schema needs to be accessed by different password? Basically how does it connect to different schema o db without knowing the credentials?

steaerox
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how can i do this task; i need to check if a field call refNum1 is null or not, if it's null directly insert new value else add new value to existing value, this is done in only one TABLE.

varsheethtv
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please add more complicated queries after - Merge into table using (here complicated queries and not direct table), thank you

dilbagsingh
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Can we merge into a table from a synonym or a view or a materialized view?

sobiu
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Can we use multiple conditions in ON clause?

shrutigundgal
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merge is failed if using table collection in the source

sunilk
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The code from the video should be on your website. It's not. Why?
Very low quality lesson.

kozlo