Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really
(M): SELECT CONCAT(login, password) FROM members. 7. Строки без кавычек Есть несколько
Is it possible to do a select statement that takes only NOT NULL values? Right now I am using this
...NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT%28version(),0x3a,user
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it works can somebody help me...
Существуют специальные операторы IS NULL и IS NOT NULL, которые позволяют производить сравнения с NULLами.
null - Null против False против 0 в PHP - Qaru.
In this table I need to select only the ids which have both null and not null marks, and it should not be both not null or both are null in col1.
It crashes immediately... NSInvalidArgumentException -[_NSInlineData isEqualToString:]: unrecognized selector sent to instance 0x60802d051c10 ( 0 CoreFoundation 0x00007fff921d0e7b __exceptionPreprocess + 171 1 libobjc.A.dylib 0x00007fffa...
I need to select the data which do not have null values. result set should not display columns which are not null. Thanks in advance.