Lab Sql

I have a PostgreSQL table with a column of type timestamp. I had included this column a while ago j… Read more How To Convert A Timestamp Field To Int8? Or Just Drop The Column And Make A New One?

I have granted the user in my connection to create tables, triggers, procedures, and sequence using… Read more Insufficient Privileges When Creating Tables In Oracle Sql Developer

I am doing my first database project. I would like to know which of the following ways should I us… Read more Is There Any Iso Standard Of How To Write Sql Queries In Ddl?

I'm try to create table with clever sequence generator for using this insert-strucure: insert i… Read more Sequence In Oracle/postgresql With No Id In Insert Statement

The following works in Postgres 9.6 but not in Redshift: ALTER TABLE stats ADD COLUMN IF NOT EX… Read more Redshift: Add Column If Not Exists

With JPA, DDL-generation for the attribute: @Column final String someString; will be someString va… Read more Jpa - How To Set String Column To Varchar(max) In Ddl

I'm looking for command line or scripted solutions to pull the DDL out of SQL Server 2005+ for … Read more Sql Server Parallels To Oracle Dbms_metadata.get_ddl?

ALTER TABLE products ALTER COLUMN power_price DROP DEFAULT; ALTER TABLE products ALTER COLUMN power… Read more Cannot Cast Type Numeric To Boolean

I have written pl/sql script (works, but doesn't look nice): DECLARE v_exists NUMBER; BEGIN … Read more Drop Tablespace If Do Not Exist

I want to make a single H2 column in a H2 database to have a other collation (case insensitive) the… Read more Does H2 Support A Collation Defintion For One Single Column?

I have created a table in Oracle 10g using the following CREATE statement. CREATE TABLE test ('… Read more A Create Statement With Quoted Fields In Oracle

This question is based on this answer. What does the following sentence mean? Finally, don't u… Read more To Understand A Sentence About The Case In Sql/ddl -queries

I have a type which I'd like to change but I don't know who else is using it. How can I che… Read more How To Check Which Function Uses A Type?

I Want To Make a Table Which Include One Auto Generated Primary Key And Two Foreign Keys But I'… Read more Ora-00907: Missing Right Parenthesis On Creating Foreign Key Oracle 12c

I have a temporary table created at the beginning of this stored procedure. It is created successfu… Read more Why Is My Alter Table Statement Not Properly Adding A Column To My Temporary Table?

I'm trying to create a constrain to check the record is no greater than 2016. Here is the recor… Read more Constrains Using Date

I've been trying to find a free database creator for mac os, and i'm not being able to find… Read more Db Sketcher For Macos?

Basically I want to do this: begin; lock table a; alter table a rename to b; alter table a1 rename … Read more How Do I Replace A Table In Postgres?

I have created a table in Oracle 10g using the following CREATE statement. CREATE TABLE test ('… Read more A CREATE Statement With Quoted Fields In Oracle

I have created a table in Oracle 10g using the following CREATE statement. CREATE TABLE test ('… Read more A CREATE Statement With Quoted Fields In Oracle