Constraints are used to specify the limit on the data type of the table. It can be specified while creating or altering the table statement. The sample of constraints are:
☛ NOT NULL
☛ CHECK
☛ DEFAULT
☛ UNIQUE
☛ PRIMARY KEY
☛ FOREIGN KEY
How to get a list of tables, views and columns in Firebird database?
How to extract metadata for the entire database?
How to export data from database and import into another?
How to drop all foreign keys in database?
How to do replication of Firebird databases?
How to disconnect the user connection?
How to prevent firebird.log file from filling up the disk partition?
How to recreate the index on a Firebird table?
How to pump the data from one database to another?
How to reorder the table columns (fields)?
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