How can I find identical tables in MySQL and PHP?
Is there an easy way to find identical tables, i.e. same structure and data, using MySQL and PHP? I doubt there is a MySQL command for it, but how would you recommend doing this? ...
mysql
How can I make a random quote generator with ajax?
Basically I have a page with a quote in it. Underneath the quote, I will have a link that will be clicked and the quote will be updated with an ajax call from the database to display the new content. I can do it with a regular php file, but I wanted to add some ajax into the mix so that the entire page isn't refreshed each time. Can som...
RODBC Insert Query
This is my first attempt to throw data back and forth between a local MySQL database and R. That said, I have a table created in the database and want to insert data into it. Currently, it is a blank table (created with MySQL Query Browser) and has a PK set. I am using the RODBC package (RMySQL gives me errors) and prefer to stick w...
foreign key doubt in MYSQL
can we define a primary key in a table as a foreign key in that table . I mean, PRIMARY KEY(ssn), FOREIGN KEY (ssn) REFERENCES Cust(cust_ssn) And If we have a table that has some parameters that refers to some other table parameters and to some other 3rd table too. Then Do we need to define those parameters as foreign key referencing...
MySQL query problem.
How can I add the following code example 1 to example 2 without messing up my query. Example 1 INNER JOIN users ON users_articles.user_id = users.user_id Example 2. SELECT users.* FROM users_articles INNER JOIN articles_comments ON users_articles.id = articles_comments.article_id INNER JOIN users ON articles_comments.user_id = users...
error in making table -mysql
The Error is: Can't create table c.handsets How do i find the problem? I have made a database and I found that my other tables are created in it but only one is giving me this error. ...
mysql query to search for address or postcode
Hi I am having difficulties writing a perfect sql query that will search for an address or postcode(english). I stored my postcode as "W1Y TF7". If a user searches using "W1YTF7" (without the space), it does give me any result when it is suppose to return W1Y TF7. VENUE VenueID Name Address1 Address2 City Postcode PhoneNumer URL ...
MySQL multiple SELECT question.
How can I add the following code example 1 to example 2 without messing up my query. Example 1 SELECT * FROM users INNER JOIN users_articles ON users.user_id = users_articles.user_id WHERE users.active IS NULL AND users.deletion = 0 Example 2 SELECT users.user_id, users_articles.user_id, users_articles.title, articles_comments.ar...
problem in populating the data in mysql 5.1.5.1
MY data is not being populated into one table in which I have defined foreign keys. Where as in other tables, I have no problem in populating the data. CREATE TABLE Service ( name CHAR(20), cityname CHAR(20), citystate CHAR(20), using Engine INNoDB in other 2 table where the foreign key is referring to. ...
facing problem with triple drop down menu
I am trying triple drop down menu first and second menus are working but third one is not working and also the data is not being displayed on the web-page even though I have used "echo" command. I am unsure what is the problem and how to correct it. So I am attaching my code in this email, could you please look into it and help me with i...
MySQL SQL syntax error problem?
I get the following error below and was wondering how can I fix it? You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.user_id WHERE users.active IS NULL AND users.deletion = 0) WHERE users.active' at line 4 And here is my MySQL code (line breaks inse...
wordpress sharding: which multi-db plugin to use?
I've got a wordpress multisite installation that's hosting enough blogs I need to shard the database. I see there are three plugins available to spread wordpress across multiple databases: http://wordpress.org/extend/plugins/hyperdb/ http://premium.wpmudev.org/project/multi-db http://wordpress.org/extend/plugins/shardb/ I'm trying t...
MySQL InnoDB: what are the units for "reads/s"?
In MySQL, I sometimes type "show innodb status" to see that a long-running query is doing something. The bottom has, under "ROW OPERATIONS", a line: 2000.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2000.00 reads/s What are the units for these? Records? InnoDB pages? OS disk pages? (Are they the same thing?) ...
Adding a position column to a child table in MySQL for mapping to a Java List with Hibernate
Hibernate requires a position column on a table that will be mapped to a List. To evolve an existing table, not only does the column need to be added, but it must be numbered correctly for the new mapping to work. For this question I'm assuming children will be numbered starting from 1 The child table is defined: CREATE TABLE Child (id...
How to bold keyword in php mysql search?
I want want my output like this when I search a keyword like "programming" php programming language How to do this in php mysql? Any idea? ...
Search in MySQL Database based on Date Range provided by the user
I'm a novice in PHP & MySQL coding and still working my way through it.. So, little help on this will be much appreciated: I have a table that keeps record of certain events. Here is how my table looks like: Id - Event_Name - Event_Date - Event_Charges --------------------------------------------- 1 - Event 1 - 10/10/2010 - $100 2 -...
Can't use mysql_real_escape_string
So, I'm getting this warning when using mysql_real_escape_string Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: Access denied for user 'username'@'localhost' (using password: NO) in /home/path/php/functions.php on line 11 The rest of the site works fine, connects to the DB and all, but I get an error when usi...
How do I change/set mysqladmin pw from command-line in Win 7?
I tried to do: mysqladmin -u root password <password> But I got the following error: mysqladmin: connect to server at 'localhost' failed. error: 'Access denied for user 'root'@'localhost' (using password: NO)' What could be causing this? This is a new install of MySQL and I have never configured MySQLadmin, or as far as I know I h...
MySQL combining multiple querys.
How can I combine these two query's together if possible? I want to be able to find all the articles first and then find there comments Here is query 1 SELECT * FROM users_articles INNER JOIN users ON users_articles.user_id = users.user_id AND users.active IS NULL AND users.deletion = 0 Here is query 2 SELECT * FROM articles_comm...
com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Can't call rollback when autocommit=true
hi All, Im using Jboss5.0 with mysql in my application. and there will be lot of concurrent actions and DB contains considerably lot of records. this error is coming frequently.. every now and then. com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Can't call rollback when autocommit=true at com.mysql.jdbc.SQLErro...