create column sql server
ALTER TABLE table_name
ADD column_name datatype;create column sql server
ALTER TABLE table_name
ADD column_name datatype;Insert and initialize a SQL column with value dependent on another column data
UPDATE table
SET col = new_value
WHERE col = old_value
AND other_col = some_other_value;
UPDATE table
SET col = new_value
WHERE col = old_value
OR other_col = some_other_value;Copyright © 2021 Codeinu
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