...of two or more SELECT statements into a single result which is then returned as part of the HTTP response.
В качестве значений здесь могут выступать и выражения. Разберем на примере первую форму CASE: SELECT ID,Name,Salary
It is the end user's responsibility to obey all applicable local, state and federal laws.
...SELECT * FROM members WHERE username = 'admin'--' AND password = 'password' Это
In databases (like PostgreSQL), NULL has some different concepts, so be careful when writing queries involving NULL.
Method 1 (typical): (Step 1) INSERT..SELECT the source data and (Step 2) SELECT the sum of column Y from table T for the data we loaded; or.
Start and End of Script. The script starts at the first line and ends either when it encounters an "exit" or the last line. All "#" lines are ignored.
select entry; и сгенерированный SQL был something = @p; @p = NULL. Кажется это EF правильно переводит постоянное выражение, но если переменная участвует, она рассматривает его как обычное сравнение.
Here’s an example of a very concise cache-based factory constructor using this operator: classRobot{finaldoubleheight;staticfinal_cache=<double,Robot>{};Robot._(this.height);factoryRobot(height){return_cache[height]??=Robot._(height);}} More generally, ??= is useful when defining computed...
SELECT CASE WHEN condition THEN true-part ELSE false-part END; (P) SELECT CASE WEHEN (1=1) THEN 'A' ELSE 'B'END; If Statement SQL Injection Attack Samples. if ((select user) = 'sa' OR (select user) = 'dbo') select 1 else select 1/0 (S) This will throw an divide by zero error if current...