PostgreSQL – Overview PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development phase and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. This tutorial will give you a quick start with PostgreSQL and make you comfortable with PostgreSQL […]
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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 […]
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 […]