Firebird Alter Table
The Firebird Alter Table Tool allows users to visually alter tables. The Alter Table Tool can generate and/or execute the SQL that corresponds to any table alterations specified by the user.
The following options are available for the Firebird Alter Table Tool.
Add Column - Adds a column to a table
Add Primary Key - Adds a primary key to a table
Add Foreign Key - Adds a foreign key to a table
Add Constraint - Adds a check constraint to a table
Change Column Type - Changes the data type of a column
Drop Column - Drops a column from a table
Drop Constraint - Drops a check constraint from a table
Rename Column - Renames a column
Listed below are some sample SQL statements generated by the Alter Table Tool.
ALTER TABLE EMPLOYEE ADD NEWCOL CHAR(25)
ALTER TABLE EMPLOYEE ADD PRIMARY KEY (EMP_NO)
ALTER TABLE EMPLOYEE
ADD FOREIGN KEY (JOB_COUNTRY)
REFERENCES COUNTRY(COUNTRY)
