GithubHelp home page GithubHelp logo

audb's People

Contributors

alejes avatar aspirisha avatar nizshee avatar

Stargazers

 avatar

Watchers

 avatar  avatar  avatar

audb's Issues

null pointer after delete

Последовательность:
INSERT 1000 (это сейчас делается в table1
delete from table1 where (number > 900)
select * from table1
Результат: вывод 900 записей а потом
Error: nulljava.lang.NullPointerException
А если удалять из начала:
delete from table1 where number < 100
То вообще ничего не увидим

Кавычки

В чате было обсуждение. Приоритет маленький.

INT, DOUBLE

Делаем
CREATE TABLE inttab (id INT, text VARCHAR (9), val DOUBLE)
Выключаем бд,
Теперь tableManager.getTable(table).getNames().length == 0

WHERE > 100

CREATE TABLE inttab (number VARCHAR(15), text VARCHAR(9))

INSERT number 0000 - 10000

SELECT * FROM inttab WHERE number < 1000

Выдаст только первые сто результатов

JOIN

Хотел куда-то сохранить запрос чтобы каждый раз не писать
select * from table1 join table2 on table1.text = table2.text where number < 010

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.