CREATE TABLE doc_exa ( column_a INT)
goALTER TABLE doc_exa ADD column_b VARCHAR(20) NULL
go
select column_b from doc_exa
go
DROP TABLE doc_exa
go
goALTER TABLE doc_exa ADD column_b VARCHAR(20) NULL
go
select column_b from doc_exa
go
DROP TABLE doc_exa
go
CREATE TABLE doc_exa ( column_a INT)
go
ALTER TABLE doc_exa ADD column_b VARCHAR(20) NULL
go
select column_b from doc_exa
go
DROP TABLE doc_exa
goor:CREATE TABLE doc_exa ( column_a INT) ALTER TABLE doc_exa ADD column_b VARCHAR(20) NULLexec('select column_b from doc_exa')DROP TABLE doc_exaor:CREATE TABLE doc_exa ( column_a INT) exec ('ALTER TABLE doc_exa ADD column_b VARCHAR(20) NULL')exec('select column_b from doc_exa')DROP TABLE doc_exa