Invalid Column Name Sql When Using As Column name violates the condition

Invalid Column Name Sql When Using As Column name violates the condition

Invalid Column Name Sql
Invalid Column Name Sql



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Invalid Column Name Sql When Using As Column name violates the condition (s) of a column name. For example, it may contain a special character in the column name or it may use a prepositioned keyword (e.g. INTEGER) as a column name, which is incorrect.

 

Invalid Column Name Sql When Using As Column name violates the condition
Invalid Column Name Sql When Using As Column name violates the condition
 

So in simple terms, the COLUMN name table in SQL (tables after the FROM section) does not match the columns.

It’s self-explanatory. The column name used while querying a table in SQL is used incorrectly.

 

Check the following things:

  • Check the spelling of the column name.
  • Check the case of the column name (uppercase or lowercase).
  • Lastly, check if you are querying the right table.
 

SQL Server – Invalid column name Sc

We will look into accessing a newly-added column to a table. We can add a new column to an existing table.

  • Using the ALTER statement using:
  • ALTER TABLE table_name
  • ADD column_name datatype;
 

Similarly, we can drop a column using the following code.
  • ALTER TABLE table_name
  • DROP COLUMN column_name;

We can change the data type of an existing column.
  • ALTER TABLE table_name
  • ALTER COLUMN column_name datatype;
When we add a new column using the ALTER TABLE statement, then try to access immediately in the same batch using the SELECTUPDATEINSERT statement. It will throw the below error:

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