Answers for "add colum,n to mysql table saving existing data"

SQL
4

create column mysql terminal

alter table icecream add column flavor varchar (20) ;
Posted by: Guest on April-08-2020
0

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;
Posted by: Guest on June-29-2020

Code answers related to "add colum,n to mysql table saving existing data"

Code answers related to "SQL"

Browse Popular Code Answers by Language