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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Using NOT EXISTS:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
FROM TABLE_1 t1
WHERE NOT EXISTS(SELECT id
FROM TABLE_2 t2
WHERE t2.id = t1.id)
Using NOT IN:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
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Define variable to use with IN operator (T-SQL)
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DECLARE @mylist TABLE (Id int)
INSERT INTO @mylist
SELECT id FROM (VALUES (1),(2),(3),(4),(5)) AS tbl(id)
SELECT * FROM Mytable WHERE theColumn IN (select id from @mylist)
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An App ID with Identifier '' is not available. Please enter a different string
I am trying to add a new APP ID to prepare for App Store submission and got the following error under the bundle ID I provided.
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What is a StoryBoard ID and how can i use this?
...started in Xcode 4.5. I saw for every viewController that i could set some identity variables including the storyboard ID. What is this and how can i use it?
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Is there a way to list open transactions on SQL Server 2000 database?
...ion of active transaction by the help of below query
SELECT
trans.session_id AS [SESSION ID],
ESes.host_name AS [HOST NAME],login_name AS [Login NAME],
trans.transaction_id AS [TRANSACTION ID],
tas.name AS [TRANSACTION NAME],tas.transaction_begin_time AS [TRANSACTION
BEGIN TIME],
tds.database_id A...
CSS selector with period in ID
The HTML spec allows for periods (.) in an id:
2 Answers
2
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Pandas get topmost n records within each group
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Did you try df.groupby('id').head(2)
Ouput generated:
>>> df.groupby('id').head(2)
id value
id
1 0 1 1
1 1 2
2 3 2 1
4 2 2
3 7 3 1
4 8 4 1
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How to generate unique ID with node.js
...upposed to use callbacks. What will happen with your code, is that base.getID query will get queued up by for execution, but the while loop will continusouly run as a busy loop pointlessly.
You should be able to solve your issue with a callback as follows:
function generate(count, k) {
var _sy...
How to avoid using Select in Excel VBA
...en you have to select that sheet and cell. copy/paste is a bad example, at least in the case of values, it can be done faster by a code such as Sheets(2).[C10:D12].Value = Sheets(1).[A1:B3].Value
– robotik
Jun 20 '17 at 12:52
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JPA: unidirectional many-to-one and cascading delete
Say I have a unidirectional @ManyToOne relationship like the following:
7 Answers
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