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SQL select only rows with max value on a column [duplicate]
...ed you need the content column as well.
This is a very common question in SQL: find the whole data for the row with some max value in a column per some group identifier. I heard that a lot during my career. Actually, it was one the questions I answered in my current job's technical interview.
It ...
Difference between EXISTS and IN in SQL?
What is the difference between the EXISTS and IN clause in SQL?
21 Answers
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How to print VARCHAR(MAX) using Print Statement?
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This works for me on SQL 2008 R2 SP2 (10.50.1600) using either CAST() or CONVERT(), and on SQL 2008 SP2 (10.0.5500).
– user593806
Nov 5 '13 at 10:13
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How to do a LIKE query in Arel and Rails?
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is this protected against SQL injections?
– sren
May 28 '12 at 2:17
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Printing the value of a variable in SQL Developer
... particular variable which is inside an anonymous block. I am using Oracle SQL Developer. I tried using dbms_output.put_line . But it is not working. The code which I am using is shown below.
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Not equal != operator on NULL
Could someone please explain the following behavior in SQL?
11 Answers
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How can I truncate a datetime in SQL Server?
...y to truncate a datetime value (as to remove hours minutes and seconds) in SQL Server 2008?
13 Answers
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Get the last inserted row ID (with SQL statement) [duplicate]
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If your SQL Server table has a column of type INT IDENTITY (or BIGINT IDENTITY), then you can get the latest inserted value using:
INSERT INTO dbo.YourTable(columns....)
VALUES(..........)
SELECT SCOPE_IDENTITY()
This works as...
How do I list all the columns in a table?
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For MySQL, use:
DESCRIBE name_of_table;
This also works for Oracle as long as you are using SQL*Plus, or Oracle's SQL Developer.
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How to create materialized views in SQL Server?
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They're called indexed views in SQL Server - read these white papers for more background:
Creating an Indexed View
Improving Performance with SQL Server 2008 Indexed Views
Basically, all you need to do is:
create a regular view
create a clustered in...