Data Definition Language is a subset of SQL to manipulate structural elements of a database, not the content of tables.
Say I have a mysql table, and I have a column of type enum and that column has defined set …
mysql ddlI need the create scripts for PostgreSQL database objects. I have not access to pg_dump. So I have to …
sql postgresql ddlALTER TABLE testTable ADD column1 NUMBER(1) DEFAULT 0 NOT NULL AFTER column2; Why can't I use mySql syntax in Oracle too? …
oracle oracle11g ddl alter-tableI'm looking at the MySQL docs here and trying to sort out the distinction between FOREIGN KEYs and CONSTRAINTs. I …
mysql foreign-keys constraints ddlIs it possible to rename multiple columns in a single statement, something along the lines of: ALTER TABLE Users RENAME …
sql postgresql ddl alter-table table-renameI have MySQL 5.5.37 with InnoDB installed locally with apt-get on Ubuntu 13.10. My machine is i7-3770 + 32Gb memory + SSD hard …
mysql performance database-performance ddlIn a fairly animated discussion in my team I was made to think what most people like as primary keys. …
algorithm database-design relational-database primary-key ddlHow to provide primary key for multiple column in a single table using PostgreSQL? Example: Create table "Test" ( "SlNo" int …
postgresql database-design primary-key ddl composite-primary-keyFor example DbVisualizer can be used to connect to a DB and create nice diagram out of existing tables and …
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