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MySQL Select Query - Get only first 10 characters of a value
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Using the below line
SELECT LEFT(subject , 10) FROM tbl
MySQL Doc.
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How to use count and group by at the same select statement
I have an sql select query that has a group by.
I want to count all the records after the group by statement.
Is there a way for this directly from sql?
For example, having a table with users I want to select the different towns and the total number of users
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How to select unique records by SQL
When I perform "SELECT * FROM table" I got results like below:
8 Answers
8
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Join between tables in two different databases?
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Yes, assuming the account has appropriate permissions you can use:
SELECT <...>
FROM A.table1 t1 JOIN B.table2 t2 ON t2.column2 = t1.column1;
You just need to prefix the table reference with the name of the database it resides in.
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Add disabled attribute to input element using Javascript
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Working code from my sources:
HTML WORLD
<select name="select_from" disabled>...</select>
JS WORLD
var from = jQuery('select[name=select_from]');
//add disabled
from.attr('disabled', 'disabled');
//remove it
from.removeAttr("disabled");
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MySQL DISTINCT on a GROUP_CONCAT()
I am doing SELECT GROUP_CONCAT(categories SEPARATOR ' ') FROM table . Sample data below:
6 Answers
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Xcode + remove all breakpoints
...l breakpoints.
In Xcode4 press CMD(⌘)+6, in Xcode3 press CMD(⌘)+ALT+B.
Select all breakpoints with CMD(⌘)+A and delete them, like deleting text, with backspace.
There's no step 3 :)
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Does a “Find in project…” feature exist in Eclipse IDE?
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1. Ctrl + H
2. Choose File Search for plain text search in workspace/selected projects
For specific expression searches, choose the relevant tab (such as Java Search which allows you to search for specific identifiers)
For whole project search:
3. Scope (in the form section) > Enclosing...
OR is not supported with CASE Statement in SQL Server
...sions anywhere in the SQL queries. CASE expressions can be used within the SELECT statement, WHERE clauses, Order by clause, HAVING clauses, Insert, UPDATE and DELETE statements.
A CASE expression has the following two formats:
Simple CASE expression
CASE expression
WHEN expression1 THEN Result1...
How do I get the value of text input field using JavaScript?
... 'searchtext' in your page.
Method 5:
Use the powerful document.querySelector('selector').value which uses a CSS selector to select the element
For example, document.querySelector('#searchTxt').value; selected by id
document.querySelector('.searchField').value; selected by class
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