sql tag

625 questions

2 answers
35 views
0

I want to combine the first line that matches in MySQL

Create a query that compares the TOPIx closing value (thattopix.adjust_price) for a date that is MySQL with the TOPIx closing value (topixfuture.adjust_price) after one year.The holiday data is not st...

mysql

1 years ago

1 answers
46 views
0

I would like to send an e-mail for registration via CakePHP.

I would like to send an e-mail with a link for this membership registration to the e-mail address entered in the membership registration form via CakePHP.Error: SQLSTATE [42000]: Syntax error or acces...

mysql cakephp

1 years ago

1 answers
87 views
0

Understanding System Integration

The same system currently runs as multiple separate sites.How it works is the apache+tomcat+postgres web service.if you decide to consolidate these multiple sites into one siteIf you want to lump mult...

apache postgresql tomcat database-design database

1 years ago

1 answers
62 views
0

How to Pass the Class Path of the JDB Driver into the (HSQLDB) Eclipse

I study servlets using Eclipse in the book Servlet from the Basics.In order to pass the class path of the JDB driver through Eclipse, ①Copy hsqldb.jar from hsqldb>lib to myproject>WEB-INF>lib...

java sql eclipse

1 years ago

1 answers
60 views
0

Want to reduce the initial size of the SQL Server database

You are using a SQL Server database.We removed unnecessary records because there were more records in the table than transaction logs.(DELETE statement) However, the size of the mdf file did not chang...

sql sql-server

1 years ago

1 answers
67 views
0

To Write Multiple Conditions LEFT JOIN in Rails

ModelA - id - c_id - d_idModelB - id - name - c_id - d_idShared columns for ModelA and ModelB are c_id and d_id.SELECT A.id, B.namefrom ModelA ASA LEFT JOIN ModelB ASB ON A.c_id = B.c_id AND A.d_id =...

ruby-on-rails mysql sql rails-activerecord

1 years ago

1 answers
35 views
0

Consultation on database design and counting of ranking aggregation

I would like to create a function like this week's popular article, which is common on blogs.However, I am not very experienced in programming, so I am writing to ask for advice.Currently, my image is...

mysql

1 years ago

1 answers
101 views
0

Is COPY tablename FROM stdin with csv in Postgres at risk of SQL injection?

I'm using python, psycopg2When the following code is executed, it reads the contents of the file once and writes it from standard input to DB.If there is a description in the file that allows SQL inje...

python sql postgresql security

1 years ago

1 answers
74 views
0

"Creatingbean error" occurs on springboot and boot fails

Assumptions/What you want to realizeThere is an error creating bean in springboot, so I would like to troubleshoot and start it.I am developing a CRUD system using SpringBoot at STS to study on my own...

java mysql spring-boot

1 years ago

1 answers
35 views
0

MySQL is unable to enter a password. [Duplicate]

(One answer) 7 years agoUse itterm2macYOSEMITEhttp://qiita.com/sotayamashita/items/b784459356686641dabeI was referring to this, but when I try to stop it at mysql.service stop, I get a command not...

mysql

1 years ago

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