PostgreSQL – DROP Table The PostgreSQL DROP TABLE statement is used to remove a table definition and all associated data, indexes, rules, triggers, and constraints for that table. You have to be careful while using this command because once a table is deleted then all the information available in the table would also be lost […]
Category Archives: postgresql
PostgreSQL – Data Type In this chapter, we will discuss about the data types used in PostgreSQL. While creating table, for each column, you specify a data type, i.e., what kind of data you want to store in the table fields. This enables several benefits − Consistency − Operations against columns of same data type […]
PostgreSQL – CREATE Database This chapter discusses about how to create a new database in your PostgreSQL. PostgreSQL provides two ways of creating a new database − Using CREATE DATABASE, an SQL command. Using createdb a command-line executable. Using CREATE DATABASE This command will create a database from PostgreSQL shell prompt, but you should have […]