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SQL query return data from multiple tables
...mply a color listing so that we know what colors we have in the car yard.
mysql> create table colors(id int(3) not null auto_increment primary key,
-> color varchar(15), paint varchar(10));
Query OK, 0 rows affected (0.01 sec)
mysql> show columns from colors;
+-------+-------------+-...
Unable to import a module that is definitely installed
... my case, it is permission problem. The package was somehow installed with root rw permission only, other user just cannot rw to it!
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MySQL - Using COUNT(*) in the WHERE clause
I am trying to accomplish the following in MySQL (see pseudo code)
9 Answers
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Read properties file outside JAR file
...am is main.jar and its main properties file is main.properties):
./ - the root of your program
|__ main.jar
|__ main.properties
With this architecture, you can modify any property in the main.properties file using any text editor before or while your main.jar is running (depending on the curren...
With MySQL, how can I generate a column containing the record index in a table?
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@smhnaji MySQL requires that every "derived table" is given a name. I decided to call it "r" :) ... It has little purpose in this case, but you'd normally use it to reference attributes of the derived table, as if it was a real table....
MySQL get row position in ORDER BY
With the following MySQL table:
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Delete all records in a table of MYSQL in phpMyAdmin
... detailed blog with example: http://sforsuresh.in/phpmyadmin-deleting-rows-mysql-table/
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Find rows that have the same value on a column in MySQL
... created what was essentially infinite recursion or something on mysql resulting in a dead database due to "too many connections" :-/
– huygir
Mar 5 '18 at 17:40
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Is there documentation for the Rails column types?
...ded by Rails mostly for compatibility with database systems. For instance, MySQL's TIMESTAMP datatype is stored as a unix timestamp. Its valid range goes from 1970 to 2038, and the time is stored as the number of seconds that have elapsed since the last epoch, which is supposedly standard, but in pr...
Real escape string and PDO [duplicate]
I'm using PDO after migrating away from the mysql library. What do I use in place of the old real_escape_string function?
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