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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
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EXEC('SELECT * FROM FOO WHERE ID=?', 123) will replace the parameter placeholder "?" with the value 123 and then execute the query, returning a result for SELECT * FROM FOO WHERE ID=123
– Peter Wone
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How can I make a JPA OneToOne relation lazy
...y tested it: on non constrained side, use a one-to-one with a formula like select other_entity.id from other_entity where id = other_entity.id. Of course, this is not ideal for query performances.
– Frédéric
Apr 28 '16 at 6:48
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How to delete a word and go into insert mode in Vim?
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:help objects in vim to read more about these sorts of selections.
– Aaron
Apr 22 '13 at 15:39
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show 2 more comments
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How do I detect if Python is running as a 64-bit application? [duplicate]
... in this case it has to do with the way Apple implemented their multi-arch selection feature. I'm adding a note to ensure we look at this when the python.org OS X multi-arch selection feature is finalized.
– Ned Deily
Dec 3 '09 at 20:59
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Connect to a heroku database with pgadmin
...ase (postgres instance in Heroku), do the following:
Login to Heroku, and select the application in which you have the database
Select the Resources tab and then click on "Heroku Postgres Ad-on" (see below). This will open up a new tab.
Select the Settings tab and then click on "View Credential...
How do I drop a foreign key in SQL Server?
...I think this will helpful to you...
DECLARE @ConstraintName nvarchar(200)
SELECT
@ConstraintName = KCU.CONSTRAINT_NAME
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS AS RC
INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS KCU
ON KCU.CONSTRAINT_CATALOG = RC.CONSTRAINT_CATALOG
AND KC...
jQuery .on function for future elements, as .live is deprecated [duplicate]
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jQuery's documentation shows you would replace
$(selector).live(event, handler)
with
$(document).on(event, selector, handler)
Also you have the option to be more precise and replace $(document) with a selector for a static parent of the element. For example, if you ...
SQL UPDATE all values in a field with appended string CONCAT not working
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That's pretty much all you need:
mysql> select * from t;
+------+-------+
| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');...
Generate table relationship diagram from existing schema (SQL Server) [closed]
...nstalled ) . Just right Click on Database Diagrams and create new diagram. Select the exisiting tables and if you have specified the references in your tables properly. You will be able to see the complete diagram of selected tables.
For further reference see Getting started with SQL Server databas...
Rails auto-assigning id that already exists
...mpany.id column to the highest value in the table with a query like this:
SELECT setval('company_id_seq', (SELECT max(id) FROM company));
I am guessing at your sequence name "company_id_seq", table name "company", and column name "id" ... please replace them with the correct ones. You can get the...