A nested query must have an alias, so I added 'X' as the alias in your code:
Code:
select id, 'today', 'monthago', today, monthago
from (
SELECT id, stdate, DATE_SUB(CURDATE(), INTERVAL 1 month) as monthago, CURDATE() as today
FROM data_table X)
As regards your earlier question, in MySQL and other databases too, there is a difference between single quote (') and backquote (`). I think you meant to use the latter, which is what Ditto was getting at.
I'm an Oracle guy, not very familiar with MYSQL .. I was thinking his issue was the fact that:
where column = 'today'
is not the same as:
where column = today
if today is some internal function, then you probably shouldn't use single quotes ... if MYSQL uses back quotes ` .. then yeah, sure but I was making an assumption MYSQL treats single or double quotes as strings.
which would be like trying to match:
where Nov 25, 2014 = "today" ..
as opposed to:
where Nov 25, 2014 = Nov 25, 2014
(ie where date_col = today ) ??
Hi there,
I have a hierarchical database that include 4 tables. Table A is the parent of B, B is Parent of C, C is parent of D. If I want to query everything in D that is associated with A.name, how do I do that? Thanks!
YanYan (0 Replies)
hello all
i have 2 columns every column in the following format
column1
2011-04-01 11:39:54
column2
2019-02-03 00:00:00
i want get difference between above data as following
2 days 11:39
how to do so ?
i tried many functions but nothing works
please advice what is the query... (6 Replies)
Hi,
I want to run below query on shellscript but having one problm.
ADV=$( mysql -h "$IP_ADDR" -u "$USER_NAME" "$TABLE_NAME" -BNe" SELECT ADV FROM indata where inid='$INSTRUID' and Date='$latest Date';" )
here Date column contans different below dates
2011-12-01... (11 Replies)
Hello
i have created mysql query to compare to values and get difference in percentage
as following:
SELECT file_name, 100 - ((100 * (SELECT file_count FROM xipi_files z WHERE x.file_group = z.file_group AND x.file_name = z.file_name AND z.insert_date = CURDATE( ) - INTERVAL 1 DAY)) /... (1 Reply)
Hi,
I've written a script to search for an Oracle ORA- error on a log file, print that line and the .trc file associated with it as well as the dateline of when I assumed the error occured. In most it is the first dateline previous to the error.
Unfortunately, this is not a fool proof script.... (2 Replies)
Hi All,
i have a table in mysql with the following data
Table name Test
Assettype Serial_No Status location
Mouse 123456 In Stock chennai
Mouse 98765 Allocated chennai
Keyboard ... (2 Replies)
Discussion started by: venkitesh
2 Replies
LEARN ABOUT PHP
udm_find
UDM_FIND(3) 1 UDM_FIND(3)udm_find - Perform searchSYNOPSIS
resource udm_find (resource $agent, string $query)
DESCRIPTION
Performs a search.
The search itself. The first argument - session, the next one - query itself. To find something just type words you want to find and press
SUBMIT button. For example, "mysql odbc". You should not use quotes " in query, they are written here only to divide a query from other
text. mnoGoSearch will find all documents that contain word "mysql" and/or word "odbc". Best documents having bigger weights will be dis-
played first. If you use search mode ALL, search will return documents that contain both (or more) words you entered. In case you use mode
ANY, the search will return list of documents that contain any of the words you entered. If you want more advanced results you may use
query language. You should select "bool" match mode in the search from.
PARAMETERS
o $agent
- A link to Agent, received after call to udm_alloc_agent(3).
o $query
- mnoGoSearch understands the following boolean operators: & - logical AND. For example, "mysql & odbc". mnoGoSearch will find
any URLs that contain both "mysql" and "odbc". | - logical OR. For example "mysql|odbc". mnoGoSearch will find any URLs, that
contain word "mysql" or word "odbc". ~ - logical NOT. For example "mysql & ~odbc". mnoGoSearch will find URLs that contain word
"mysql" and do not contain word "odbc" at the same time. Note that ~ just excludes given word from results. Query "~odbc" will
find nothing! () - group command to compose more complex queries. For example "(mysql | msql) & ~postgres". Query language is
simple and powerful at the same time. Just consider query as usual boolean expression.
RETURN VALUES
Returns a result link identifier on success or FALSE on failure.
PHP Documentation Group UDM_FIND(3)
11-25-2014
I was thinking his issue was the fact that: