Hi,
I have two mysql tables, one needs to start its auto-increment column id with the last value of the last inserted row in the other table (plus 1).
According to mysql manual you can restart the value of an auto increment column like this:
mysql> ALTER TABLE tbl AUTO_INCREMENT = 100;
However, this is not possible:
mysql> ALTER...
i am using excel to connect to a mysql database:
Dim dpath, atime, rtime, lcalib, aname, rname, bstate, instrument As String
Dim rs As ADODB.Recordset
Set rs = New ADODB.Recordset
ConnectDB
With wsBooks
rs.Open "batchinfo", oConn, adOpenKeyset, adLockOptimistic, adCmdTable
Worksheets.Item("Report 1").Select
...
i am connecting to mysql from excel using odbc. the following illustrates how i am updating the rs
With rs
.AddNew ' create a new record
' add values to each field in the record
.Fields("datapath") = dpath
.Fields("analysistime") = atime
.Fields("reporttime") = rtime
.Fields("lastcalib") = lcalib
.Fields("ana...
i have:
With rs
.AddNew ' create a new record
' add values to each field in the record
.Fields("datapath") = dpath
.Fields("analysistime") = "atime"
.Fields("reporttime") = "rtime"
.Fields("lastcalib") = "lcalib"
.Fields("analystname") = "aname"
.Fields("reportname") = "rname"
.Fields("batchstate") = ...
i have a table like this:
number stuff1 stuff2 stuff3
-------------------------------
1 x y
2 a
3 b
4 c d e
i want to use a sql statement to turn it into this:
number stuff1 stuff2 stuff3
-------------------------------
1 x
1 y
2 a
3 b
4 c
...
Hello, I'll attempt to make my question as clear as possible.
I'm fairly unexperienced with SQL, only know the really basic queries. In order to have a better idea I'd been reading the MySQL manual for the past few days, but I couldn't really find a concrete solution and my needs are quite specific.
I've got 3 MySQL MyISAM tables: table...
in plain english can you explain to me what happens here:
rs.Open "batchinfo", oConn, adOpenKeyset, adLockOptimistic, adCmdTable
what i need to do is to be able to insert values into a table called batchinfo. would this be the best way to do an OPEN?
the only thing i would be doing is inserting values.
...
I moved my php application to the new server. i use mysql5 db. When i'm Updating or Inserting something to db, every " and - sign changed to ?. I use SET NAMES UTF8 and SET CHARACTER SET but it don't work. Any ideas?
...
I want to create a user history function that allows shows users what they done.
ex: commented on an ad, posted an ad, voted on an ad, etc.
How exactly do I do this?
I was thinking about...
in my site, when they log in it stores their user_id ($_SESSION['user_id'])
so I guess whenever an user posts an ad(postad.php),
...
Sorry if the question is stupid but I'm newbie to MySQL and got stuck with this.
Let's suppose I have the following table in MySQL:
City.........Country.....Restaurants
Rome......Italy.............3032
Paris.......France........5220
I want to search for the city "Paris" and update the field "Restaurants" (replace 5220 with 5300).
Wh...
Hey All,
Say I have a post table containing the fields post_id and parent_post_id. I want to return every record in the post table with a count of the "depth" of the post. By depth, I mean, how many parent and ancestor records exist.
Take this data for example...
post_id parent_post_id
------- --------------
1 null
2 ...
Hi All,
I have a tricky problem that I'm trying to find the most effective method to solve.
Here's a simplified version of my View structure.
Table: Audits
AuditID | PublicationID | AuditEndDate | AuditStartDate
1 | 3 | 13/05/2010 | 01/01/2010
2 | 1 | 31/12/2009 | 01/10/2009
3 | 3 ...
i am updating a table in mysql using ADODB
i am adding new entries into a table
should i be using addnew or update?
...
So, I have a table like such:
id|root|kw1|kw2|kw3|kw4|kw5|name
1| A| B| C| D| E| F|fileA
2| A| B| | | | |fileB
3| B| C| D| E| | |fileC
4| A| B| | | | |fileD
(several hundred rows...)
And I need to get it into a tree like the following:
*A
*B
-fileB
-fileD
*C
*D
*E
*F
-fil...
Given:
Start Year
Start Month & Start Day
End Month & End Day
What SQL statement results in TRUE if a date lands between the Start and End days? The problem is in finding the end year so as to get a start_date and an end_date.
...
I would like to understand how this happened. I was running a query that would take a long time, but should not lock up any table. However, my dbs were practically down - it seems like it was being locked up by "FLUSH TABLES WITH READ LOCK"
03:21:31 select type_id, count(*) from guid_target_infos group by type_id
02:38:11 select type_...
My profile.php displays all the user's postings,comments,pictures. If the user wants to delete, it sends the posting's id to the remove.php so it's like remove.php?action=removeposting&posting_id=2. If they want to remove a picture, it's remove.php?action=removepicture&picture_id=1.
Using the get data, I do a query to the database to d...
The typical documentation on locking in innodb is way too confusing. I think it will be of great value to have a "dummies guide to innodb locking"
I will start, and I will gather all responses as a wiki:
The column needs to be indexed before row level locking applies.
EXAMPLE: delete row where column1=10; will lock up the table unle...
I have a list in a database that the user should be able to order.
itemname| order value (int)
--------+---------------------
salad | 1
mango | 2
orange | 3
apples | 4
On load from the database, I simply order by order_value.
By drag 'n drop, he should be able to move apples so that it appears at the top of the li...
I have a Ruby on Rails site that was only needed for a short period of time during which users added various objects to a mySQL database, commenting on them, associating themselves with them, etc. etc. etc.
The question is this: the site is no longer needed until a week next year around this time when I will clear the database and use ...