Ref: 999999.9' union all select 99,2 and '0'='0.
They are combining 126, 39, database name as hex value, 39, and 126. -- is a mysql comment - it ignores the rest of your query after.
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database. If TYPE OF is used with a (VAR)CHAR type, its character.
SELECT CAST('abc' AS varchar(5)) COLLATE French_CS_AS. Truncating and rounding results. When converting character or binary expressions (binary
-999.9+union+all+select+%27R3DM0V3_hvj_injection',null%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL
Re: Union all and union.. @sumanth Sicne tUnite will perform Unoin All operation,so if you want o get unique then you need to use tUniqRow after the
CHAR() interprets each argument N as an integer and returns a string consisting of the characters given by the code values of those integers.
I have the following queries: … I am getting the error Implicit conversion of varchar value to varchar cannot be performed because the collation of the value is unresolved due to a collation conflict...
UNION is not a join operation, and therefore the results won't be the same most of the time. These are fundamentally different operations as outlined by Solomon already. You don't specify a join condition between the two tables in a UNION as you would have to do when using a FULL OUTER JOIN.
Unlike normal select and action queries, tables are not related in a union query, which means the Access graphic query designer can't be used