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Should I commit or rollback a read transaction?
... I create a temp table, populate it with ids, join it with a data table to select the data that goes with the ids, then delete the temp table. I'm really just reading data, and I don't care what happens to the temp table, since it's temporary... but from a performance perspective, would it be more ...
What is the proper way to use the node.js postgresql module?
...romise boils down to just what's relevant to your business logic:
db.any('SELECT * FROM users WHERE status = $1', ['active'])
.then(data => {
console.log('DATA:', data);
})
.catch(error => {
console.log('ERROR:', error);
});
i.e. you do not need to deal with ...
Is there a shortcut to make a block comment in Xcode?
...
Created Automator service using AppleScript
Make sure "Output replaces selected text" is checked
Enter the following code:
on run {input, parameters}
return "/*\n" & (input as string) & "*/"
end run
Now you can access that service through Xcode - Services menu, or by right clicking...
What Vim command(s) can be used to quote/unquote words?
...
Change single quotes to double quotes
va':s/\%V'\%V/"/g
va' - Visually select the quoted word and the quotes.
:s/ - Start a replacement.
\%V'\%V - Only match single quotes that are within the visually selected region.
/"/g - Replace them all with double quotes.
...
What's the difference between TRUNCATE and DELETE in SQL
...tranTest | DELETE FROM tranTest |
| SELECT * FROM tranTest | SELECT * FROM tranTest |
| ROLLBACK | ROLLBACK |
| SELECT * FROM tranTest | SELE...
Breakpoints are crossed out, how can I make them valid?
...akpoints' in eclipse.
When you click on 'skip all breakpoints'(which is selected), everything will become normal
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SQL update query using joins
...common table expression (since you're already on SQL 2005):
with cte as (
select
im.itemid
,im.sku as iSku
,gm.SKU as GSKU
,mm.ManufacturerId as ManuId
,mm.ManufacturerName
,im.mf_item_number
,mm.ManufacturerID
, <your other field>
from
item_master im, gro...
How does a PreparedStatement avoid or prevent SQL injection?
...o in detail.
Compilation Phase:
In this phase, keywords used in query like select, from, where etc are converted into format
understandable by machine.
This is the phase where query is interpreted and corresponding action to be taken is decided.
It also has many other tasks to do, but let's not go ...
Disable Enable Trigger SQL server for a table
...
Below is the Dynamic Script to enable or disable the Triggers.
select 'alter table '+ (select Schema_name(schema_id) from sys.objects o
where o.object_id = parent_id) + '.'+object_name(parent_id) + ' ENABLE TRIGGER '+
Name as EnableScript,*
from sys.triggers t
where is_disabled = 1
...
TextView Marquee not working [duplicate]
...oid:freezesText="true">
Edit (on behalf of Adil Hussain):
textView.setSelected(true) needs to be set in code behind for this to work.
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follo...