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- Primary Key:Primary key is used for unique identification of each row in a table. Unique and not null values only are accepted to persist in primary key. - Foreign Key:Foreign Key identifies a column with the primary key column of another table (parent table) for storing data. The valu...
Fields in a feature class participating in a network dataset, terrain, or parcel fabric Fields used for editor tracking Relationship class primary key and foreign key fields The subtype field Raster fields Field name rules and limitations The following table lists supported field name character rules...
In June 2006, David Parsley, the primary developer of Tao Linux (another RHEL clone), announced the retirement of Tao Linux and its rolling into CentOS development. Tao users migrated to the CentOS release via yum update. In July 2009, it was reported in an open letter on the CentOS proje...
REPLACE PROCEDURE testproc (IN a array_strings, OUT a2 array_strings) BEGIN BEGIN DECLARE CONTINUE HANDLER FOR SQLSTATE '42000' -- error 3807 table doesn't exist BEGIN END; DROP TABLE vt; END; CREATE VOLATILE TABLE vt ( id INT NOT NULL PRIMARY KEY, ...