You create database views for convenience and for performance. When view performance is not enough the next step is creating materialized views. Before turning to materialized views, you should first explore all the performance tweaks you can do to normal MySQL views. For example, you could impro...
using a traditional relational database for your analytics is not a simple decision. In such a case, PostgreSQL is a great choice. Postgres provides an extensive set of querying capabilities, Foreign Data Wrapper, etc. In this post, you will explore the viability...
The insert statement adds a new row or rows in a table in theOracle database. We generally use it after we have created a table in the database. One important point to remember is that while inserting records into a table, we must provide a value for every NOT NULL value. Let us lo...
Let’s take a look at the database first. We are going to use PostgreSQL. Our main goal is to show the list of all of the bookings that guests have made at our facilities. Here is what the query looks like. It’s a large view, and this does take quite a bit of time to render...
In PostgreSQL, the “CREATE” command can be executed with the “VIEW” keyword tocreate a view, as demonstrated in the following syntax: CREATE VIEW name_of_view AS select_query; Here, -“CREATE VIEW” is a command that creates a new virtual table. ...
Another way to leverage schema planning to give clean and usable data to the OLAP application is by creatingmaterialized views. PostgreSQL allows for the creation of materialized views, which can in turn be indexed for maximum query performance. What’s nice is that once data is inges...
Examples of PostgreSQL Export CSV Consider the following CREATE TABLE statement, which will create a table named ‘Person’. CREATETABLEPerson(idserialPRIMARYKEY,first_namevarchar(255)NOTNULL,last_namevarchar(255)NOTNULL); Now, we will insert a row into the Person table by using the INSERT INTO...
Scale PostgreSQL via Partitioning: A Dev’s Intro to Hypertables Read more Scale PostgreSQL via Partitioning: A Dev’s Intro to Hypertables Boosting Postgres INSERT Performance by 2x With UNNEST Read more Boosting Postgres INSERT Performance by 2x With UNNEST ...
That’s all about describing a database object in PostgreSQL using psql’s meta-commands. Bonus Tip 1: How to Describe Postgres Schemas Using psql? A schema in Postgres is like a container that allows us to organize the database objects into logical groups. Postgres allows us to create seve...
One of the following sections describes how to do that. If you run the tests, you will see that this endpoint works much faster. The SQL Query That Creates the PostgreSQL Materialized View The database schema is quite complex, similar to those encountered in practice. We can easily prepare ...