I have a big, ugly query which is quadratic in the input size and therefore want to display an approximate completion time prior to sending it off:
Syntactically this is wrong and is merely illustrative. There is no FROM clause, so I cannot use a traditional subquery. How would this be programmed in MySQL 5.7?
Hi there,
I have a hierarchical database that include 4 tables. Table A is the parent of B, B is Parent of C, C is parent of D. If I want to query everything in D that is associated with A.name, how do I do that? Thanks!
YanYan (0 Replies)
Hi there, I have a table that stores multiple records for many different servers, each of which is timestamped ... I wanted to write a query that would enable me to only output the "latest" record (based on timestamp) for each "unique" server. So for example my main table looks like this
... (3 Replies)
hello all
i have 2 columns every column in the following format
column1
2011-04-01 11:39:54
column2
2019-02-03 00:00:00
i want get difference between above data as following
2 days 11:39
how to do so ?
i tried many functions but nothing works
please advice what is the query... (6 Replies)
Hi,
I want to access mysql query from database , for that i have tried the below code
#! /bin/bash
TABLE_NAME=database1
USER_NAME=root
IP_ADDR=111.20.9.256
somevar=`echo "select altid from alert where altid='2724'"| mysql -h $IP_ADDR -u $USER_NAME $TABLE_NAME `
echo $somevar
... (1 Reply)
Hi,
I want to run below query on shellscript but having one problm.
ADV=$( mysql -h "$IP_ADDR" -u "$USER_NAME" "$TABLE_NAME" -BNe" SELECT ADV FROM indata where inid='$INSTRUID' and Date='$latest Date';" )
here Date column contans different below dates
2011-12-01... (0 Replies)
Hi,
I want to run below query on shellscript but having one problm.
ADV=$( mysql -h "$IP_ADDR" -u "$USER_NAME" "$TABLE_NAME" -BNe" SELECT ADV FROM indata where inid='$INSTRUID' and Date='$latest Date';" )
here Date column contans different below dates
2011-12-01... (11 Replies)
Hello
i have created mysql query to compare to values and get difference in percentage
as following:
SELECT file_name, 100 - ((100 * (SELECT file_count FROM xipi_files z WHERE x.file_group = z.file_group AND x.file_name = z.file_name AND z.insert_date = CURDATE( ) - INTERVAL 1 DAY)) /... (1 Reply)
Hi All,
i have a table in mysql with the following data
Table name Test
Assettype Serial_No Status location
Mouse 123456 In Stock chennai
Mouse 98765 Allocated chennai
Keyboard ... (2 Replies)
Discussion started by: venkitesh
2 Replies
LEARN ABOUT DEBIAN
cvm-mysql
cvm-mysql(8) System Manager's Manual cvm-mysql(8)NAME
cvm-mysql - MySQL module
SYNOPSIS
cvm-mysql
CREDENTIALS
Pass phrase
DESCRIPTION
This module queries a MySQL database for the account name, compares the stored pass phrase with the given one using crypt(3).
CONFIGURATION VARIABLES
CVM_MYSQL_DEFAULT_FILE
The full path of the defaults file to read if the following variable is set. If not set, the file $HOME/.my.cnf will be read (the
MySQL default).
CVM_MYSQL_DEFAULT_GROUP
If set, the module will read connection default options from the named group in the defaults file as above
CVM_MYSQL_HOST
The hostname or IP of the MySQL server. If not set, a connection to the local host is assumed.
CVM_MYSQL_USER
The MySQL login ID to connect as. If not set, the invoking user is assumed.
CVM_MYSQL_PASS
The password for the above user.
CVM_MYSQL_DB
The database name, must be set.
CVM_MYSQL_PORT
The port number for the TCP/IP connection (only used if the server is not local).
CVM_MYSQL_POSTQ (optional)
The SQL query to execute after the credentials have been validated, see cvm-sql(7).
CVM_MYSQL_PWCMP (optional)
The password comparison module to use.
CVM_MYSQL_SOCKET
The path to the socket that should be used for connections to a local server.
CVM_MYSQL_QUERY (optional)
The SQL query to issue to retrieve the row containing the account information from the database, see cvm-sql(7).
SEE ALSO cvm-sql(7), cvm-pgsql(8), cvm-pwfile(8), cvm-qmail(8), cvm-unix(8), cvm-vmailmgr(8), cvm-benchclient(8), cvm-checkpassword(8), cvm-test-
client(8)
http://untroubled.org/pwcmp/pwcmp.html
http://untroubled.org/cvm/cvm.html
cvm-mysql(8)