I'm trying to find the first row before and the first row after a specific
row. Essentially I want to do these two queries, and get each row.
SELECT * FROM Users WHERE UserId = userId ORDER BY UserId DESC LIMIT 1;
SELECT * FROM Users WHERE UserId = userId ORDER BY UserId LIMIT 1;
Is there any
I'm sorry to mistake the wrong storage engine.
On Wed, Nov 12, 2008 at 3:52 PM, Moon's Father [EMAIL PROTECTED]wrote:
Hi.
I got an error when I use alter statement to modify an innodb's table
structure. The error no is 1114 and the detail information is
ERROR 1114 (HY000): The table
Whoops, just realized I made a mistake in the examples. What I'm really
looking for is these two queries:
SELECT * FROM Users WHERE UserId *userid*;
SELECT * FROM Users WHERE UserId *userid*;
Waynn
On Wed, Nov 12, 2008 at 12:14 AM, Waynn Lue [EMAIL PROTECTED] wrote:
I'm trying to find the
Select the UserId one less, and then ORDER ASC LIMIT 3.
Assuming your UserId's are sequential, it's easy, given userID X
SELECT * FROM Users WHERE UserId = X-1 ORDER BY UserId ASC LIMIT 3;
If they're not sequential due to deletions, etc, it becomes a bigger
problem. You could do a subquery, but
Micah,
I'm trying to find the first row before and
the first row after a specific row
Here's one way:
drop table if exists t;
create table t(userid int, data int);
insert into t values(1,10),(3,20),(6,30),(8,50),(10,60), (13,80);
-- retrieve rows just before and just after userid=8:
select
Hi there, I'm just trying to solve a little problem:
There are two tables (simplified):
CREATE TABLE article (ID int, Title varchar, ...other_data );
CREATE TABLE author (ID int,name varchar,article_ID int,...other_data );
Now I have a lot of articles. They have one or more autors, e.g.
INSERT
In the last episode (Nov 12), Waynn Lue said:
I'm trying to find the first row before and the first row after a specific
row. Essentially I want to do these two queries, and get each row.
SELECT * FROM Users WHERE UserId = userId ORDER BY UserId DESC LIMIT 1;
SELECT * FROM Users WHERE
Hello all,
I was wondering if anyone had any good insight into running the 32 bit
and 64 bit versions of MySQL? We are going to be using a replication
setup within my organization very shortly. We intend to a have at least
one master (writable) DB and several (let's say 3 for this
Thanks a lot for all the infolooks like we will put the 64 bit plan
into place.
Does anyone know of any good links to information on tuning Linux before
a MySQL install? I see that there are lot of MySQL tuning guides...but
I assume there are things I can do to Linux that will help with
I have no links but the best way of tuning linux is to only install what you
actually need. Standard installer like to install all kinds of deamons and
other programms you might not need on db server ...
On 11/12/08 2:20 PM, Shain Miley [EMAIL PROTECTED] wrote:
Thanks a lot for all the
I'm trying to get used to visually mapping out my db design using the SqlYog
SchemaDesigner.
Once I have the PK/FK setup, how can I export that design to SQL code to
create the tables, etc??
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[EMAIL PROTECTED] (Shain Miley) writes:
Hello all,
I was wondering if anyone had any good insight into running the 32
bit and 64 bit versions of MySQL? We are going to be using a
replication setup within my organization very shortly. We intend to a
have at least one master (writable) DB
-Original Message-
From: Waynn Lue [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 12, 2008 3:14 AM
To: MySQL List
Subject: Row before and after?
I'm trying to find the first row before and the first row after a
specific
row. Essentially I want to do these two queries, and get each
On Wed, Nov 12, 2008 at 12:35 PM, Shain Miley [EMAIL PROTECTED] wrote:
Hello all,
I was wondering if anyone had any good insight into running the 32 bit and
64 bit versions of MySQL? We are going to be using a replication setup
within my organization very shortly. We intend to a have at
I have been trying to compute query cache utilization in mysql 5 but cannot
because the com_select status variable is always 1 when I start a new mysql
session. This probably holds for all the com_* variables and maybe others,
but I've only been working with com_select. They're supposed to be
Hi.
I got an error message when I adjust the system variable named
default-time-zone.I don't how to adjust this variable.
Hope to get help here.Thanks.
Here is my error log.
081113 15:24:43 InnoDB: Started; log sequence number 0 423199200
081113 15:24:43 [Note] Recovering after a crash using
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