Tagged Questions
0
votes
0answers
9 views
Get turno.tipo, maquina.patente and operador.nombre and status, complex query
I've this DB design I'm trying to build a query where I should get turno.tipo, maquina.patente, operador.nombre and detalle_emisores.revisado` but it's a bit complex to my knowledge. I started this:
...
0
votes
1answer
17 views
HOW to “SUM” and “JOIN” for single query of a poll results?
I have a poll database as
CREATE TABLE poll_answer
answer_id,
answer varchar(255),
poll_id int(11),
FOREIGN KEY(poll_id) REFERENCES polls(poll_id) ON DELETE CASCADE,
PRIMARY KEY(answer_id)
) ...
0
votes
3answers
52 views
Using MySQL InnoDB as an Archive
My site has a main MySQL InnoDB table that it does most of its work on. New rows get inserted at a rate of 1 million per week, and rows older than a week gets moved over to an archive table on a daily ...
0
votes
1answer
849 views
Connect Error (2054) - mysql_old_password issue still not solved
i use php 5.4.3 and i want to connect to a MySQL DB remotely (php script resides on a different server than the db) with normal oop way:
$mysqli = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME);
...
2
votes
2answers
293 views
How to GROUP_CONCAT between given rows?
I have a table as
id diary
1 breakfast
2 walk
3 start
4 office works
5 office projects
6 end
7 taxi
8 start
9 preparing for meeting
10 doing the meeting
11 end
12 night
I want ...
3
votes
2answers
245 views
How to split a string to and get info from another table in mysql
I have a system to assign score for each sentence stored in a column:
TABLE 1: word_scores
word score
this 3
is 4
a 5
test 1
another 0
sentence 8
TABLE 2: ...
3
votes
2answers
173 views
How to concatenate a column after x rows?
I have a table with columns
object varchar(255),
frequency tinyint(3) unsigned,
I want to concatenate the objects if the sum of frequencies reach a value. Currently I am doing this in PHP as
.. ...
2
votes
1answer
131 views
Restriction on self referencing on insert in MYSQL?
How to restrict insert on adding self referencing rows in a recursive relation table (a table contains foreign key points itself).
mysql> SELECT * FROM Employee;
...
3
votes
1answer
209 views
How to Update same table on deletion in MYSQL?
In my Database I have a table: Employee with recursive association, an employee can be boss of other employee.
Following is query I used to create table:
CREATE TABLE IF NOT EXISTS `Employee` ...
2
votes
4answers
218 views
Does my table violate normalization rules?
I am developing an emulator for a game. My item table looks like this:
-- ----------------------------
-- Table structure for `items`
-- ----------------------------
DROP TABLE IF EXISTS `items`;
...
1
vote
1answer
48 views
Query from database
I have a table named mip. The table has primary key id, a foreign key product_id and a column usage_type. product_id is a primary key id to a table named product.
It is one to many relationship from ...
2
votes
1answer
79 views
Count total where owner_user_id = some_value and deleted_by_owner = 0 or to_user_id = some_value and deleted_by_to = 0
I didn't know if this is possible using just a query or if I need some procedural logic on this one.
I have this table:
CREATE TABLE `default_messages_users` (
`id` int(11) NOT NULL ...
1
vote
1answer
129 views
Get and count all blog posts and all users that fits a LIKE condition (two sepparated queries)
I've this tables:
--
-- Table structure for table `default_cmvblog`
--
CREATE TABLE IF NOT EXISTS `default_cmvblog` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`title` varchar(100) COLLATE ...
4
votes
1answer
65 views
Will these queries return the same results?
I have this simple query:
SELECT
friend_id
FROM
default_friend
WHERE
user_id = 1
And the results are below:
+-----------+
| friend_id |
+-----------+
| 2250 |
| 4901 |
| ...
2
votes
1answer
130 views
Need some help with this query get all status and their associated comments of me and all my friends
I've several days dealing with this query but can't get it to works as I want. This post is related to this one Several values from different tables in which I tough found the solution but I was ...
0
votes
1answer
138 views
Is possible to optimize this query or it's already optimized?
I've three tables: default_users, default_profiles, default_friend. This are the SQL for each one:
--
-- Table structure for table `default_users`
--
CREATE TABLE IF NOT EXISTS `default_users` (
...
2
votes
1answer
373 views
Extract some columns data from one table and insert into multiple tables
I have a table with 16,000 records and need to get out some columns and then insert values in multiples tables. For example, suppose I have the following tables
tbl_1: id, name, lastname
tbl_2: id, ...
3
votes
1answer
131 views
Get profiles values where message.sender_user_id = profile.user_id
I have this tables:
default_messages
CREATE TABLE IF NOT EXISTS `default_messages` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`subject` varchar(150) COLLATE utf8_unicode_ci NOT NULL,
`message` text ...
-1
votes
1answer
188 views
What exactly is SOLR? [closed]
It seems like a magical technology that can
Do spatial search
do full text search
The problem is,
It doesn't say where does it store all the data. Does it have it's own proprietary database
If it ...
0
votes
1answer
51 views
2 Very similar queries return different number of result (one is null)
I want to find businesses near a point that contain a word that start with sea
lat=-6.185068&long=106.773121&keyword=sea&distance=5000&startfrom=0&howmany=20&prominent=5
...
-2
votes
1answer
842 views
Why does MATCH (FullTextSearch) AGAINST ('*' IN BOOLEAN MODE) return nothing?
MATCH (FullTextSearch) AGAINST ('k*' IN BOOLEAN MODE)
return something
Namely anything with a word that start with k
MATCH (FullTextSearch) AGAINST ('ku*' IN BOOLEAN MODE)
return less
MATCH ...
0
votes
0answers
144 views
Nearest neighbor search for 1.6 million points in myisam mysql
Say I want to find 20 closest business near me. Latter I want to see the next 20 closest, etc. Yes I have myisam. I have spatial indexes on the point. I am looking for actual command.
Note:
I am ...
