select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
As shown below, I need not null values to be at the start of all output fields.
999999.9' union all select 999,2 and '0'='0 где купить в аптеках, Поиск и заказ лекарств в аптеках Санкт-Петербурга и Ленинградской области онлайн, бронирование и доставка лекарств.
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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...
Note: A NULL value is different from a zero value or a field that contains spaces.
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R language supports several null-able values and it is relatively important to understand how these values
Null (or NULL) is a special marker used in Structured Query Language to indicate that a data value does not exist in the database. Introduced by the creator of the relational database model, E. F. Codd...
For a style value of NULL, NULL is returned. data_type determines the range. Return types.