set a variable to null in sql

My scenario is I select values and assign variable from table and insert in...

My scenario is I select values and assign variable from table and insert into another temp table for constructing insett script. My problem is, in selected variables have null value(if db null also) in variable, i could not construct the insert sript. Bcoz i coudnot assign null How to eval @Variable when assigned from SELECT field?

⬇ Download Full Version

You set to NULL the records for which do not exist records in sample_table ...

You set to NULL the records for which do not exist records in sample_table with identifyingnumber equal to sample_identifyingnumber.

⬇ Download Full Version

Don't put NULL inside quotes in your update statement. This should wor...

Don't put NULL inside quotes in your update statement. This should work: UPDATE table SET field = NULL WHERE something = something.

⬇ Download Full Version

Unfortunately, both operators have the same symbol in SQL. In assignments, ...

Unfortunately, both operators have the same symbol in SQL. In assignments, whether done with “=” or with an insert list, you can treat NULL just like any value.

⬇ Download Full Version

What I don't understand is why does the select statement inside the wh...

What I don't understand is why does the select statement inside the while loop not set the @CURRENT_LOCATION variable to null when there.

⬇ Download Full Version

After declaration, all variables are initialized as NULL, unless a value is...

After declaration, all variables are initialized as NULL, unless a value is provided For more information, see CREATE TABLE (Transact-SQL).

⬇ Download Full Version

For assigning variables, we recommend that you use SET If expression is a s...

For assigning variables, we recommend that you use SET If expression is a scalar subquery that returns no value, the variable is set to NULL.

⬇ Download Full Version

hi guys may i ask can i assign null value to a variable? can it be PL/SQL: ...

hi guys may i ask can i assign null value to a variable? can it be PL/SQL: var Number(x):= null;. Bessie Braddock: Winston, you are drunk!

⬇ Download Full Version

There are 2 ways of assigning a value to a local variable previously create...

There are 2 ways of assigning a value to a local variable previously created with and the query returns no result, SET will assign a NULL value to the variable.

⬇ Download Full Version

The SET variable statement assigns values to variables. . The subindex must...

The SET variable statement assigns values to variables. . The subindex must be of an exact numeric type with scale zero (SQLSTATE H1); it cannot be null.

⬇ Download Full Version

The SET variable statement assigns values to variables. execute the row-ful...

The SET variable statement assigns values to variables. execute the row-fullselect. See the Authorization section in "SQL queries". To execute this statement.

⬇ Download Full Version

One way to set a user-defined variable is by issuing a SET statement: data ...

One way to set a user-defined variable is by issuing a SET statement: data types: integer, decimal, floating-point, binary or nonbinary string, or NULL value. . They cannot be used directly in an SQL statement as an identifier or as part of an.

⬇ Download Full Version

How can I assign a null value to a varaible which is declared as Dim var1 a...

How can I assign a null value to a varaible which is declared as Dim var1 as String and then use that variable to insert into sql server database.

⬇ Download Full Version

I am asking this on the PeopleTools message board as this relates to People...

I am asking this on the PeopleTools message board as this relates to PeopleSoft, although I really think this is a SQL Server board type.

⬇ Download Full Version

Hello, when a parameter cursor don't return a row the %rowtype variabl...

Hello, when a parameter cursor don't return a row the %rowtype variable have the last value. How can i set up to %rowtype variable to null?

⬇ Download Full Version