demand is roughly as above: if you have two tables, table order and table item in which table order can match the data of multiple tables item but some of the data in table item have prices that are zero and some are not zero now you need to output...
as mentioned, the environment Linux, executes the .sql file. The purpose of the sql file is to set up several databases and several tables under the database. Part of the code is as follows: -- -- Current Database: `API_Descriptions` -- CREATE DATABAS...
TO_CHAR(CAST(DECODE(COUNT(*),0,0,SUM(CASE WHEN pd.score >=(select qualiscore from tb_agent_crmscallappeal where appealid= 1 ) THEN 1 ELSE 0 END) COUNT(*)*100) AS NUMBER(10,2)), 990.00 ) || % AS qualifi, ...
now I can only set apache, to restart every hour in cron, but this method treats the symptoms rather than the root of the problem. I am Ubuntu 16 + apache2 + php7.0 + mysql5.7 after running for a period of time, mysql hung up, and restart prompted in...
problem description there is a sensor that inputs data once in 5 seconds. The sensor table has a createTime field data is too much to extract by time. Users can customize the event interval,-sharp {time} can be passed the environmental background o...
problem description there are two tables in the database, namely a and b , with the following structure: 2created_at2 : the previous attempt is to use MySQL s UNION to merge the data of the two tables, then as a subquery, and finally grou...
if ( $nickname != ) { $where .= " and CONCAT(a.nickname,a.mobile, a.card_number) like %" . $nickname . "% "; } and $where .= "and (a.nickname like %{$nickname}% or a.mobile like %{$nickname}% or a.card_number ...
as the title ...
err: = db.Where ( "id =? ", id). First (& activity) .Error {"id": 30, "name": null} the name field of the database is null, but the name in & activity will become " ", how to keep it still null type Activity struct { Id ...
when dealing with the data of a mysql table, it is encountered that the content stored in a field is as follows: a:2:{ i:0; a:2:{i:0;i:0;i:1;s:9:"";} i:1; a:2:{i:0;i:0;i:1;s:9:"";} } I want to use sql to put forwa...
I have a node program that queries the local database every hour and then queries the intranet database again. only appears read ECONNRESET when querying the intranet database. use npm library knex + mysql2 to connect to the database, knex ...
err: = db.Where ( "id =? ", id). First (& activity) .Error {"id": 30, "name": null} the name field of the database is null, but the name in & activity will become " ", how to keep it still null type Activity struct { Id ...
when dealing with the data of a mysql table, it is encountered that the content stored in a field is as follows: a:2:{ i:0; a:2:{i:0;i:0;i:1;s:9:"";} i:1; a:2:{i:0;i:0;i:1;s:9:"";} } I want to use sql to put forwa...
wrote a class to test the link MySQL: JDBC URL static final String JDBC_DRIVER = "com.mysql.jdbc.Driver"; static final String DB_URL = "jdbc:mysql: localhost:3306 dbx?useSSL=false"; static final String USER = "root&quo...
I have a node program that queries the local database every hour and then queries the intranet database again. only appears read ECONNRESET when querying the intranet database. use npm library knex + mysql2 to connect to the database, knex ...
I have a node program that queries the local database every hour and then queries the intranet database again. only appears read ECONNRESET when querying the intranet database. use npm library knex + mysql2 to connect to the database, knex ...
this seems to be a grammatical error, but I still can t see what s wrong . ...
I have a node program that queries the local database every hour and then queries the intranet database again. only appears read ECONNRESET when querying the intranet database. use npm library knex + mysql2 to connect to the database, knex ...
this seems to be a grammatical error, but I still can t see what s wrong . ...
I have a node program that queries the local database every hour and then queries the intranet database again. only appears read ECONNRESET when querying the intranet database. use npm library knex + mysql2 to connect to the database, knex ...
version laravel5.4 I specified two channels in the via method, namely, the database and the mail. Everything is normal when the database is inserted, and there is no problem with sending the mail. But why did this format output in the form of source c...
how to use shell script, copy file to windows serve 2008 on centos7? ...
as follows, funcA calls funcB, so @ Transactional on funcB is invalid my understanding: funcA is in a transaction, and funcB is an internal part of funcA, so funcB is in the transaction where funcA is located but this does not seem to be the case, why...
this is a very troublesome question the URL is https: alphaliner.axsmarine. the post information to be submitted is [{ "action ": "top100 ", "method ": "getTop100Table ", "data ": null, "type ": "rpc ", "tid ": 1}, { "action ": "top100 ", ...
there is only one user on the current system ,,. linux,,? ...