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SQL: How to perform string does not equal
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Try the following query
select * from table
where NOT (tester = 'username')
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PostgreSQL: Drop PostgreSQL database through command line [closed]
...rrently taking place against your database, including all idle processes.
SELECT * FROM pg_stat_activity WHERE datname='database name';
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How to Get True Size of MySQL Database?
... would like to know how much space does my MySQL database use, in order to select a web host.
I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this:
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jQuery - select all text from a textarea
...can I make it so when you click inside a textarea, its entire content gets selected?
6 Answers
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How to update column with null value
...Hello');
UPDATE your_table
SET your_column = NULL
WHERE some_id = 1;
SELECT * FROM your_table WHERE your_column IS NULL;
+---------+-------------+
| some_id | your_column |
+---------+-------------+
| 1 | NULL |
+---------+-------------+
1 row in set (0.00 sec)
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Use tab to indent in textarea
...which;
if (keyCode == 9) {
e.preventDefault();
var start = this.selectionStart;
var end = this.selectionEnd;
// set textarea value to: text before caret + tab + text after caret
$(this).val($(this).val().substring(0, start)
+ "\t"
+ $(this).val...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
... using Standard SQL.
An obvious omission is the equivalent using EXCEPT:
SELECT a FROM table1
EXCEPT
SELECT a FROM table2
Note in Oracle you need to use the MINUS operator (arguably a better name):
SELECT a FROM table1
MINUS
SELECT a FROM table2
Speaking of proprietary syntax, there may also ...
“document.getElementByClass is not a function”
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Thanks , that makes sense. Is the a function for selecting all classnames that is more browser compliant? Or is it possible to select a range for the array nodes? (ie. 0-100)?
– user547794
Sep 20 '11 at 5:27
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Not equal != operator on NULL
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As a manual workaround, you could commonly SELECT * FROM MyTable WHERE coalesce(MyColumn, 'x') <> 'x' to assign a constant if it is NULL value, providing you give an appropriate datatype for the sentinel value x (in this case a string/char). This is TSQL syntax ...
Twitter Bootstrap Form File Element Upload Button
...hod, as well as examples for how to show the user which/how many files are selected:
http://www.abeautifulsite.net/whipping-file-inputs-into-shape-with-bootstrap-3/
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