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i need some help with a SQL alter command. i am trying to add a field to my table, but when i do the field is filled with null in any existing rows. how can i just make it fill blank like the ...

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The ALTER TABLE command allows developers to change the structure of a table to meet changing needs. It allows for the addition of new columns to accommodate more data, the alteration of column data ...

Type an "ALTER TABLE" command to add a CLOB item to an existing table, using the following SQL code as a guide:ALTER TABLE your_table ( add big_text_field CLOB );Press "Enter" to execute the command.