Data Definition Language is a subset of SQL to manipulate structural elements of a database, not the content of tables.
I've been using Visio 2002/2003 Enterprise Architect to do my database schema design visually and then forward-generate the DDL to create …
sql database visio ddl diagrammingPlese I would like to do in PostgreSQL something like CREATE UNIQUE INDEX IF NOT EXISTS Any idea?
sql postgresql ddlHow can I alter the reference to a table in PostgreSQL when the table name has been changed? Say I …
postgresql foreign-keys ddl alter-tableDoes anyone see what's wrong with this code for SQL Server? IF NOT EXISTS(SELECT * FROM sys.columns WHERE Name = …
sql sql-server tsql ddlI'm wondering if it is possible to run multiple DDL statements inside a transaction. I'm specially interested on SQL Server, …
sql sql-server transactions ddl jtdsI need to add a unique field index to an existing table. I made this row: ALTER TABLE auth_user …
sql sqlite ddl unique-indexI am trying to submit a two-statement SQL file as a batch job to the isql utility on a Linux …
teradata isql ddlI was reading the Maximum Capacity Specifications for SQL Server and I came across the designation of a wide table. …
sql tsql sql-server-2008 ddl"Modify your query to add a column that subtracts the old salary from the new salary. Label the column Increase. …
oracle ddl notnullI know that PostgreSQL tables that use a SERIAL primary key end up with an implicit index, sequence and constraint …
sql postgresql database-design ddl