大约有 40,000 项符合查询结果（耗时：0.0389秒） [XML]
MySQL Select all columns from one table and some from another table
How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL.
4 Answers
...
Most popular screen sizes/resolutions on Android phones [closed]
...
You can see the resolutions for those categories in the Table 2, in this section: http://developer.android.com/guide/practices/screens_support.html#testing
share
|
improve this an...
How can I find the data structure that represents mine layout of Minesweeper in memory?
...o play. Feed it with binary and it shows you everything. Like accelerators table for me.
alt text http://files.getdropbox.com/u/1478671/2009-07-29_161532.jpg
You can see here, that F2 button corresponds to 510 in wParam.
Now let's get back to code, that handles WM_COMMAND. It compares wParam wit...
How to find all tables that have foreign keys that reference particular table.column and have values
I have a table whose primary key is referenced in several other tables as a foreign key. For example:
7 Answers
...
How to reset a single table in rails?
...rd::Base.connection.execute("DELETE from sqlite_sequence where name = 'yourtablename'")
share
|
improve this answer
|
follow
|
...
Altering a column: null to not null
I have a table that has several nullable integer columns. This is undesirable for several reasons, so I am looking to update all nulls to 0 and then set these columns to NOT NULL . Aside from changing nulls to 0 , data must be preserved.
...
Query grants for a table in postgres
...dy found it:
SELECT grantee, privilege_type
FROM information_schema.role_table_grants
WHERE table_name='mytable'
share
|
improve this answer
|
follow
|
...
How to generate the “create table” sql statement for an existing table in postgreSQL
I have created a table in postgreSQL. I want to look at the SQL statement used to create the table but cannot figure it out.
...
How to add a primary key to a MySQL table?
...
After adding the column, you can always add the primary key:
ALTER TABLE goods ADD PRIMARY KEY(id)
As to why your script wasn't working, you need to specify PRIMARY KEY, not just the word PRIMARY:
alter table goods add column `id` int(10) unsigned primary KEY AUTO_INCREMENT;
...
Set cellpadding and cellspacing in CSS?
In an HTML table, the cellpadding and cellspacing can be set like this:
28 Answers
...