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Like the parameter in ISNULL function?
Something we can use to define:
create function getvalue
(
@param1 varchar(max),
@param2 varchar(max),
@value anytype
)
return anytype
as
...
773
The LIST data type is a collection type that can store ordered non-NULL elements of the same SQL data type. The LIST data type supports, but does not require, duplicate element values. The elements of a LIST data type have ordinal positions.
There are three types of user-defined functions in SQL Server: Scalar Functions (Returns A Single Value) Inline Table Valued Functions (Contains a single TSQL statement and returns a Table Set) Multi-Statement Table Valued Functions (Contains multiple TSQL statements and returns Table Set)
You may come across the situation, where you need alternate to “like” keyword of SQL, that is to search for sub-string in columns of the table. The one way to achieve it to use instr() function, instr() function takes 3 parameters in account .
float(n) Floating precision number data from -1.79E + 308 to 1.79E + 308. The n parameter indicates whether the field should hold 4 or 8 bytes. float(24) holds a 4-byte field and float(53) holds an 8-byte field. Default value of n is 53.
It sounds like you're looking for the sql_variant data type.
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