Mysql – First date of any month in SQL
I am seeking to find first date of the month in the corresponding table: So if i have 26/08/2011 August as date and 2 months to add, it becomes 26/10/2011. I need the first date of the resulting month- like…
Populate an array with 12 months of data using db results or default values – PHP
I have a Mysql query that fetch monthly records from DB to use to draw a graph. If there is no enough data to cover the whole year (12 months) the graph will be drawn with only 2 months. This…
In MySQL WHERE clause, how can I check for each item in a comma separated list against another comma separated list that may be ordered differently
I'm trying to write a query to look-up rows which contain one or more of comma-separated values. Please see scenario below: Table: Events, target row to lookup is called "courses" The data in the courses column is a comma separated…
Mysql – Run old WordPress Page via local host
I need to export posts and content from an old WordPress Site for a customer, to import on their new website. Is there a way to run the old website on my local host? Or is there a better way…
MYSQL count(DISTINCT an AUTO_INCREMENT column)
The following result is quite surprising. MySQL [emicall_cc_man]> SELECT count(DISTINCT `id`) from call_record; +----------------------+ | count(DISTINCT `id`) | +----------------------+ | 2197537 | +----------------------+ 1 row in set (1.32 sec) MySQL [emicall_cc_man]> SELECT count(`id`) from call_record; +-------------+ | count(`id`) | +-------------+…
Mysql – Query to return to 4th to 8th rank in a leaderboard?
I have been given a leaderboard, I need to return the row correspond to 4th to 8th rank in a leaderboard? id name score 1 gongy 3001 2 urandom 2401 3 eduardische 2477 4 Gassa 2999 5 bcc32 2658 6…
Mysql – Do you still need to define foreign key constraint if you have already added a reference constraint to the column definition?
I am trying to understand the syntaxes for defining tables and I noticed that the column definitions include an option to indiciate that the column references a column from another table. If I can already define this here, do I…
Mysql – Right Join not showing entries with "incomplete" data
I'm trying to show a table with information gathered from 4 different tables. orden_trabajo_pk concepto descripcion importe ing_responsable_id 159460 concept example1 description 18000 1 159461 concept example2 description 8000 1 cotizacion_pk concepto descripcion importe orden_trabajo_id 2010633 concept example1 description 20000…
using php/mysql to compare two tables and add missing columns from table1 to table2
Ok, Let's say I have two tables with identical structures but different values : TABLE1 : column.A, column.B, column.C TABLE2 : column.A, column.B, column.C I add columns in table 1, it becomes : TABLE1 : column.A, column.B, column.C, column.D, column.E,…
Multiples SELECT in MySql
I try to multiple select in MySql but it doesn't work. Example : SELECT (SELECT column1, column2 FROM table1 WHERE column3='something') AS query1, (SELECT column4 FROM table1 WHERE column4='something') AS query2 And the result i try to have is something…