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Tag: distinct

Update column value based on the multiple rows

I have a table example: (Col3 is bit datatype) I want to select distinct from the table except for col3 and update col3 value to 0 if col3 values are different. (If all col3 values are same then distinct will return distinct rows). Here I am expecting the output to be: Any help? Edit When col3 values are same: EDIT

MySql Select Statement (Other Company)

I am trying to select distinct users that are listed for other companies but not on my company (1). Here is an example From this table, I would like to get row 4 since he is in other company (not 1) but listed on others. I do not want others because they are listed on both my company and others.

Retrieve the first occurrence of a record by ID in SQL

I am trying to import some data into Excel from a SQL server, but I am having some issues. It’s my first time writing a query, although I am able to get the entire dataset, I have realized that the data is full of duplicates. I want to get rid of duplicates in Excel and only keep Unique records. I

Are postgresql `SELECT DISTINCT` queries deterministic?

Are Postgres SELECT DISTINCT queries deterministic? Will SELECT DISTINCT somecolumn FROM sometable return the same result (including order) if the table (and entire database) goes unchanged? In the Select Query Documentation the Description section notes: If the ORDER BY clause is specified, the returned rows are sorted in the specified order. If ORDER BY is not given, the rows are

optimization select distinct query

How can i optimize this query, how to rewrite a request through exists: Answer Please use ANSI style join syntax, first of all. Now, Coming to your question, according to my knowledge NVL perform worse when working with large data sets. So how can we achieve the same functionality? — We can use DECODE or CASE WHEN. Among these two

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