How update last inserted row in SQL?

How update last inserted row in SQL?

1 Answer

1. INSERT dbo. table(column) SELECT 1; SELECT SCOPE_IDENTITY();
2. INSERT dbo. table(column) OUTPUT inserted. * SELECT 1;
3. ALTER TABLE dbo. table ADD DateInserted DEFAULT CURRENT_TIMESTAMP;

How do I find the latest inserted row in SQL?

Determine Last Inserted Record in SQL Server

1. SELECT @@IDENTITY. It returns the last IDENTITY value produced on a connection, regardless of the table that produced the value and of the scope of the statement that produced the value.
2. SELECT SCOPE_IDENTITY()
3. SELECT IDENT_CURRENT(‘TableName’)

How to return the last row of each group by in MySQL?

Returning the last row of each GROUP BY in MySQL with WHERE clause: SELECT * FROM foo WHERE id IN ( SELECT Max (id) FROM foo WHERE value=’XYZ’ GROUP BY u_id ) LIMIT 0,30. Share. edited Jul 14 ’17 at 4:33. josemmo.

How to select last record and update it in MySQL?

Select last record and update it in MySQL? For this, you can use ORDER BY DESC LIMIT. Let us first create a table − Insert some records in the table using insert command − This will produce the following output displaying we have successfully updated the last record −

How to return the last record in each group?

That is, the last record in each group should be returned. But this looks highly inefficient. Any other ways to achieve the same result? MySQL 8.0 now supports windowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries: I write the solution this way: SELECT m1.*

How are rows fetched in MySQL based on primary key?

Since for each row in the subquery result MySQL will need a single fetch based on primary key, the subquery will be put first in the join and the rows will be output in the order of the ids in the subquery (if we omit explicit ORDER BY for the join) 3 ways MySQL uses indexes is a great article to understand some details.