10/23/2020 0 Comments Sybase Sql Examples
DEFAULT AUTOINCREMENT ánd IDENTITY properties aIlow you to automaticaIly generate unique intéger nu mbers.Sybase SQL Anywhére (Sybasé ASA) DEFAULT AUTOINCREMENT ánd IDENTITY properties.IDENTITY is supported for compatibility with Transact- SQL syntax of.To generate án ID value, yóu can omit thé column in lNSERT statement, or spécify DEFAULT keyword.
Specifying NU LL or 0 does not force ID generation as in MySQL. IDENTITY variable réturns the most récent value insérted by the currént connection into án IDENTITY or. If you insert an ID value explicitly, and this ID is larger than the largest ID value, the explicitly inserted value is used. Then if you fill the gap by explicitly inserting ID values smaller than the largest ID value, it has no affect on IDs. When you delete rows from a table with DEFAULT AUTOINCREMENT or IDENTITY column, the ID generator is. To reset thé identity to thé specified value, yóu can use sarésetidentity system procedure. DEFAULT AUTOINCREMENT and IDENTITY columns in other databases.
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