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Flask-SQLAlchemy how to delete all rows in a single table
How do I delete all rows in a single table using Flask-SQLAlchemy?
3 Answers
3
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Dynamic Sorting within SQL Stored Procedures
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This approach keeps the sortable columns from being duplicated twice in the order by, and is a little more readable IMO:
SELECT
s.*
FROM
(SELECT
CASE @SortCol1
WHEN 'Foo' THEN t.Foo
WHEN 'Bar' THEN t.Bar
ELSE null
END as ...
On delete cascade with doctrine2
... make a simple example in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2.
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When do I need to use a semicolon vs a slash in Oracle SQL?
....2.0.1.0 - Production
With the Partitioning and OLAP options
SQL> drop table foo;
Table dropped.
SQL> /
drop table foo
*
ERROR at line 1:
ORA-00942: table or view does not exist
In this case one actually notices the error.
But assuming there is a SQL script like this:
drop...
Why do table names in SQL Server start with “dbo”?
At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that?
3 Answers
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What's the best manner of implementing a social activity stream? [closed]
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I have created such system and I took this approach:
Database table with the following columns: id, userId, type, data, time.
userId is the user who generated the activity
type is the type of the activity (i.e. Wrote blog post, added photo, commented on user's photo)
data is a seriali...
MySQL Like multiple values
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Why not you try REGEXP. Try it like this:
SELECT * FROM table WHERE interests REGEXP 'sports|pub'
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Combining INSERT INTO and WITH/CTE
...e a very complex CTE and I would like to insert the result into a physical table.
3 Answers
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Best dynamic JavaScript/JQuery Grid [closed]
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Free:
Gijgo Grid
Backgrid.js
Flexigrid
jqGridView
Ingrid
SlickGrid
DataTables
Shield UI Lite Grid
Paid:
Fancy Grid
jQuery Grid
jqxGrid
Shield UI Grid
The best entries in my opinion are Flexigrid and jQuery Grid.
sh...
Can a class member function template be virtual?
...teresting techniques stemming from combining polymorphism and templates, notably so-called type erasure.
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