Can you use a variable as a table name in SQL?
on the SQL Server 2000 you can’t use table name as variable! on the SQL Server 2005 you can use it. if you use SQL Server 2000 please fetch your table name from SYS tables and then use it.
How do you assign a table name to a variable in SQL?
You can create a variable @TablenameList to hold the names of the tables you want to process:
- DECLARE @TablenameList varchar(1000);
- SET @TablenameList = ‘Table1, Table2.’;
How do you parameterize a table name in SQL query?
You can’t parameterise the table name. You just do it manually in the SET @SQLQuery step. @hellbaby – And still you can’t supply the table name as a parameter to sp_executesql , this can only be accomplished with a substitution into the string.
How do you name a variable in SQL?
The variable name must begin with an ASCII letter. It can be either lowercase or uppercase. Notice that PL/SQL is case-insensitive, which means v_data and V_DATA refer to the same variable. Followed by the first character are any number, underscore ( _ ), and dollar sign ( $ ) characters.
Can I use a variable for a table name?
Must declare the table variable “@tablename”.
How do I create a dynamic SQL query?
How to use Dynamic SQL?
- — Start by declaring the Query variable and other required variables.
- DECLARE @SQL nvarchar(1000)
- DECLARE @variable1 varchar(50)
- DECLARE @variable2 varchar(50)
- — Set the values of the declared variables if required.
- SET @variable1 = ‘A’
- — Define the query variable.
How do I create a variable table in SQL Server?
If we want to declare a table variable, we have to start the DECLARE statement which is similar to local variables. The name of the local variable must start with at(@) sign. The TABLE keyword specifies that this variable is a table variable.
How do I create a table name in SQL?
CREATE TABLE is the SQL keyword. You should always have it at the beginning of your SQL statement. Next, the new_table_name will be the name of your freshly created table. It can be whatever you prefer.
How do you declare a table variable in SQL?
How to declare table variables. To declare a table variable, you use the DECLARE statement as follows: ); In this syntax, you specify the name of the table variable between the DECLARE and TABLE keywords. The name of the table variables must start with a hash symbol (#).
How do I set a variable in SQL?
Variables in SQL Data Warehouse are set using the DECLARE statement or the SET statement. Initializing variables with DECLARE is one of the most flexible ways to set a variable value in SQL Data Warehouse. DECLARE @v int = 0 ; You can also use DECLARE to set more than one variable at a time.
What is a variable name in SQL?
In PL/SQL, a variable is a meaningful name of a temporary storage location that supports a particular data type in a program. Before using a variable, you need to declare it first in the declaration section of a PL/SQL block.