How does spring.jpa.hibernate.ddl-auto property exactly work in Spring?
I was working on my Spring boot app project and noticed that, sometimes there is a connection time out error to my Database … Read more
ddl
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 … Read more
PostgreSQL: Give all permissions to a user on a PostgreSQL database
I would like to give a user all the permissions on a database without making it an admin. The reason why I want … Read more
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 tried this: ALTER … Read more
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 are they and … Read more
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) ) How can I … Read more
Sqlite primary key on multiple columns
What is the syntax for specifying a primary key on more than 1 column in SQLITE ? 9 s 9 According to the … Read more