Top "Ddl" questions

Data Definition Language is a subset of SQL to manipulate structural elements of a database, not the content of tables.

How to delete a column from a table in MySQL

Given the table created using: CREATE TABLE tbl_Country ( CountryId INT NOT NULL AUTO_INCREMENT, IsDeleted bit, PRIMARY KEY (CountryId) ) …

mysql ddl alter-table
Adding multiple columns AFTER a specific column in MySQL

I need to add multiple columns to a table but position the columns after a column called lastname. I have …

mysql ddl
What are DDL and DML?

I have heard the terms DDL and DML in reference to databases, but I don't understand what they are. What …

sql ddl dml
Give all the permissions to a user on a DB

I would like to give an user all the permissions on a database without making it an admin. The reason …

sql postgresql ddl privileges grant
How do I use CREATE OR REPLACE?

Am I correct in understanding that CREATE OR REPLACE basically means "if the object exists, drop it, then create it …

oracle oracle10g ddl
Sqlite primary key on multiple columns

What is the syntax for specifying a primary key on more than 1 column in SQLITE ?

sqlite primary-key ddl composite-primary-key
How do I get column datatype in Oracle with PL-SQL with low privileges?

I have "read only" access to a few tables in an Oracle database. I need to get schema information on …

oracle plsql ddl privileges
PostgreSQL create table if not exists

In a MySQL script you can write: CREATE TABLE IF NOT EXISTS foo ...; ... other stuff ... and then you can run …

sql postgresql ddl create-table database-table
Alter Table Add Column Syntax

I'm trying to programmatically add an identity column to a table Employees. Not sure what I'm doing wrong with my …

sql sql-server tsql ddl
How to generate entire DDL of an Oracle schema (scriptable)?

Can anyone tell me how I can generate the DDL for all tables, views, indexes, packages, procedures, functions, triggers, types, …

oracle schema ddl