What are the two types of periodical indexes?
What are the qualities of 2nf?
What is trigger explain it?
What are triggers and its types?
What are basic techniques of indexing?
What is the difference between inner join and left join?
What does dml mean?
What's the difference between a primary key and a clustered index?
What are inner and outer joins examples of both?
What does data normalization mean?
What is primary key in postgresql?
Is postgres is free?
Does postgres automatically index primary key?
How do I connect to postgresql on windows?
How many rows can postgresql handle?