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How to see full query from SHOW PROCESSLIST
... pull the data and look at 'INFO' column which contains the whole query :
select * from INFORMATION_SCHEMA.PROCESSLIST where db = 'somedb';
You can add any condition or ignore based on your requirement.
The output of the query is resulted as :
+-------+------+-----------------+--------+--------...
Number of rows affected by an UPDATE in PL/SQL
... block, this can be achieved.
... If anyone has a solution to use it in a SELECT Command, I would be interested.
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PHP/MySQL insert row then get 'id'
...);
See mysqli_insert_id().
Whatever you do, don't insert and then do a "SELECT MAX(id) FROM mytable". Like you say, it's a race condition and there's no need. mysqli_insert_id() already has this functionality.
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How do I calculate tables size in Oracle
...BLE_NAME FORMAT A32
COLUMN OBJECT_NAME FORMAT A32
COLUMN OWNER FORMAT A10
SELECT
owner,
table_name,
TRUNC(sum(bytes)/1024/1024) Meg,
ROUND( ratio_to_report( sum(bytes) ) over () * 100) Percent
FROM
(SELECT segment_name table_name, owner, bytes
FROM dba_segments
WHERE segment_type IN...
Windows重置网络命令 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Windows重置网络命令启动cmd.exe命令提示窗口,输入以下命令:命令:netsh winsock reset回车,重启电脑,即可重置网络连接配置。在一般的网络连接问题中,这...启动cmd.exe命令提示窗口,输入以下命令:
命令:netsh winsock reset
...
how to log in to mysql and query the database from linux terminal
I am using debian linux.
I have a linux machine on which mysql is install.
I can log in to my linux machine using root user as well as other user.
I can connect to mysql database on linux machine from windows machine using sqlyog.
Now I want to execute queries on linux machine only using linux termi...
sql query to return differences between two tables
...colum C, here are the records, which are present in table A but not in B:
SELECT A.*
FROM A
LEFT JOIN B ON (A.C = B.C)
WHERE B.C IS NULL
To get all the differences with a single query, a full join must be used, like this:
SELECT A.*, B.*
FROM A
FULL JOIN B ON (A.C = B.C)
WHERE A.C IS NUL...
How to get cumulative sum
the above select returns me the following.
16 Answers
16
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使用DOS命令 taskkill 结束本地进程,结束远程进程 - 更多技术 - 清泛网 - ...
...dos_taskkill_processes使用DOS命令 taskkill 结束本地进程;以及如何远程kill掉其他主机的进程(一般用于远程主机远程桌面服务有问题登不上时使用)。在DOS窗口,输入taskkill /f /im 进程名.exe /t
/f /im /t 表示指定进程名称,强制终止...
Reshaping data.frame from wide to long format
...
Here is another example showing the use of gather from tidyr. You can select the columns to gather either by removing them individually (as I do here), or by including the years you want explicitly.
Note that, to handle the commas (and X's added if check.names = FALSE is not set), I am also us...
