I am writing this blog to add columns in our database table which would compatible with old version of database.here i use alter table command on my onupgrade() method where i make condition for the ...

You cannot change a character column to numeric and vice versa. To change a column's data type, drop the column and then add it (and its data) again, or use the DATA step. Note: You cannot change the ...

It would be great if the pd.to_sql function would add new columns to an existing database table when appending. This would happen when the dataframe which is to be appended to the database table ...

Source returns the following table using the #table function: The second step uses Table.Profile to return a table of summary statistics: [Several columns returned aren’t shown in the screenshot above ...

In order to avoid too much flyway sql files, we want to add some columns, and do data migration in java file. Thus, I have this lines of code String sql = "ALTER TABLE mytable ADD COLUMN uidpublic ...