mysql

Updating a Database With PHP

Hi People, I'm trying to update my database records with the following code but am having no luck what so ever. Anybody care to help? Thanks <?php include "base.php"; ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&gt; <html xmlns="http://www.w3.org/1999/xhtml"&gt; <head> ...

How can I "display more" in a list?

like the next 15 values in the ITEMS table sorted by date added? enter code here ...

What is an efficient way to query against an entity-attribute-value model

I'm working with a database set up like this: entity field value 1 start_date June 1, 2010 1 end_date August 30, 2010 1 artist some name And I want to query all the entities with artist name "some name" that have started but not ended. I came up with something like this: SELECT start.entity F...

MySQL INTERVAL Mins

I am trying to get the all records which are 2 hours or more old using this query $minutes = 60 * 2 SELECT COUNT(id) AS TOTAL, job_id from tlb_stats WHERE log_time >= DATE_SUB(CURRENT_DATE, INTERVAL $minutes MINUTE) GROUP BY job_id It only selects the recent records and skips the old. When I change log_time <= it only selects o...

MySQL unknown column

Hi, Why am I getting this error: 1054 - Unknown column 't.type' in 'field list' I have a column called type in my table. And I've got the table 'tester' using an alias t. SELECT y.*, (SELECT COUNT(*) FROM (SELECT *, CASE t.type WHEN 'Advanced' THEN t.t...

Find users residing between a specified distance (using user's zipcode)

Is there a way to find the radial distance using the zipcode? My task is to search the all the users residing with in a specified distance. I know the zipcodes of the users. Eg, users between 25 miles from the current location. I have other search categories, for which i am using mysql queries. I am unable to figure anything out fo...

Indexing and searching MySQL with solr

I have set up Solr and am trying to index a simple 2 column, 2 row table (MySQL 'test_tb' tabe within database 'test_db') with (first column) unique id (in the mysql of type int) and (second column) some text. I keep getting the error: WARNING: Error creating document : SolrInputDocument[{ID_F=ID_F(1.0)={1}}] org.apache.solr.common.Solr...

Error with mysql procedures ERROR 1304 & ERROR 1305

I am new to using procedures and cannot seem to get mine working. I am using MySQL v5.1.36 and inputing my code using MySQL Console on a WAMPP server. If I go to (re)create the procedure. I get error #1304 (42000). mysql> DELIMITER // mysql> mysql> CREATE PROCEDURE modx.getCRID (IN x VARCHAR(255),OUT y INT) -> BEGIN -> ...

minimizing table deadlock in my scenario with oracle and innodb

Hi, I have 35 functions that update 1 to 3 tables, in a transaction. However, they don't just execute updates, but they do queries as well. Table 1 does row update only actions, and some queries. Table 2 does queries and row level updates to existing rows, and sometimes deletes and adds rows. Table 2 may have queries within the trans...

MySQl : How to Exclude Row in a Ranking Sub-query

Hi, I've got a mySQL statement that selects some data and also ranks. I want to have the record for 'Bob', for example, selected but NOT included in the ranking. So, I need Bob's row returned in the main select statement, but I need Bob excluded from the sub-SELECT which handles the ranking. I needs Bob's data but, he should not be co...

alter table add ... before `code`?

Hi there, ALTER TABLE `tada_prod`.`action_6_weekly` ADD COLUMN `id` INT NULL AUTO_INCREMENT UNIQUE AFTER `member_id`; works, so i thought, to add the column as the first column i could do ALTER TABLE `tada_prod`.`action_6_weekly` ADD COLUMN `id` INT NULL AUTO_INCREMENT UNIQUE BEFORE `code`; but i get a syntax error, what ...

mysql subquery in single table

Hi, I have 2 columns in an "entries" table: a non-unique id, and a date stamp (YYYY-MM-DD). I want to select "all of the entry id's that were inserted today that have never been entered before." I've been trying to use a subquery, but I don't think I'm using it right since they're both performed on the same table. Could someone help me ...

mysql delete on join?

Hi there, I can use select * from sent_txts s LEFT JOIN received_txts r ON s.msg_link_id = r.id WHERE r.action_id = 6; top select matching rows, how can i write a query to delete the matching rows on both sides? something like delete sent_txts s LEFT JOIN received_txts r ON s.msg_link_id = r.id WHERE r.action_id = 6; cheers....

This code needs to loop over 3.5 million rows, how can I make it more efficient?

I have a csv file that has 3.5 million codes in it. I should point out that this is only EVER going to be this once. The csv looks like age9tlg, rigfh34, ... Here is my code: ini_set('max_execution_time', 600); ini_set("memory_limit", "512M"); $file_handle = fopen("Weekly.csv", "r"); while (!feof($file_handle)) { $line_of_te...

Simplifying mysql fulltext search

To do text search for wordA, wordB and wordC right now I'm doing it this way: SELECT * FROM mytable WHERE MATCH (field1) AGAINTS ('wordA' IN BOOLEAN MODE) OR MATCH (field1) AGAINTS ('wordB' IN BOOLEAN MODE) OR MATCH (field1) AGAINTS ('wordC' IN BOOLEAN MODE) Is there a more compact way of writing this? ...

MySQL try catch

If(variable1='table name1') BEGIN TRY ........... ........... ..... END TRY BEGIN CATCH RAISERROR ('FAILED TO GET DATA FROM hh_usr_card_dtls',16,-1) RETURN -1 END CATCH The above code is in SQL (MS SQL), I want implement same thing in MySQL. Can you please help me? ...

why doesn't my php redirect work?

Im writing a login script. My db.php doesnt echo/print anything so why doesnt header("Location: index.php"); redirect upon successful login? the login info is correct. I know i need to sanitize the input but that is not a problem at the moment. <?php require('db.php'); $username = $_POST['un']; $password = $_POS...

Right way to store/trac visits of an item - job board

Hi, im developing a job board site, where i have the following tables: Cv (Curriculum) Jobs Users I want to produce the follow information: How many users visit this Job How many users visit my CV How many cv i visited How many jobs i visited My obviously thinking is to created a table for example: log_jobs (id, job_id,user_id) ...

MySQL Replication

Shall i use MYSQL replication to synchronize local database and remote database. if so, how to setup master/slave ? or any other methods available to do this ...

I cant seem to find a pleasing answer for this on the web for this specfic question, "In MySQL do colums that have 'NULL' waste memory"?

Taken from one of my previous questions. Table is telling on which item (post , photo or reply) the comment is taking place on. commentid ---- postid ----- photoid-----replyid ----------------------------------------------- 1 22 NULL NULL 2 NULL 56 NULL 3 23...