Category: Conditions

In this section, we are going to understand the working of PostgreSQL EXISTS Condition, which is used with the WHERE clause to evaluate the existing rows in a subquery. And we also see examples of EXISTS Condition with different queries such as INSERT, SELECT, NOT EXISTS, NULL, UPDATE, and DELETE. Introduction of PostgreSQL EXISTS Condition In PostgreSQL, the EXISTS condition can combine with the SELECT, INSERT, UPDATE, and DELETE commands. In other words, we…

In this section, we are going to understand the working of PostgreSQL Between condition, which is used with the WHERE clause to select data from the table between two defined conditions. We will also see the examples of Between operator with Numeric and Date values and Between operator with a Not Operator. Introduction of PostgreSQL Between condition The PostgreSQL Between condition is used to define…

In this section, we are going to understand the working of PostgreSQL NOT IN condition, and example of Not IN condition with Numeric and Character values. Introduction of PostgreSQL NOT IN condition The PostgreSQL NOT IN condition is used with WHERE clause to fetch data from a table where defined condition contradicts the PostgreSQL IN condition. PostgreSQL NOT IN Condition Syntax In PostgreSQL, the…

In this section, we are going to understand the working of PostgreSQL IN condition, which is used with WHERE clause to fetch data from a table where defined condition satisfies the IN condition. Examples of IN operator, and IN operator with a subquery. Introduction of PostgreSQL IN condition The PostgreSQL IN condition is used within the WHERE clause to get those data that…

In this section, we are going to understand the working of PostgreSQL Like condition which is used to fetch data using pattern matchings, examples of the like condition by using percent (%), underscore (_) wildcards, Not Like Operator, working of ILIKE operator, and the extension of PostgreSQL Like Operator. Introduction of PostgreSQL Like condition The PostgreSQL Like condition is used to fetch…

In this section, we are going to understand the working of PostgreSQL NOT Condition and see the examples of NOT Condition with IN, LIKE, BETWEEN, IS NULL, and EXISTS Conditions. Introduction of PostgreSQL NOT condition The PostgreSQL NOT condition is used with the WHERE clause to negate a condition in a command. The NOT Condition is also knowns as NOT Operator. PostgreSQL NOT…

In this section, we are going to understand the working of PostgreSQL AND & OR Condition, which provides the advantages of AND & OR Condition both in just a single command. Here, we will also see the examples of AND & OR operator with different statements, such as INSERT, SELECT, UPDATE, and DELETE. Introduction of PostgreSQL AND & OR Condition In PostgreSQL,…

In this section, we are going to understand the working of PostgreSQL OR Condition, which specifies that if we take two or more conditions, then one of the conditions must be satisfied to get the resultant records. We will also see the examples of OR Condition with different queries such as INSERT, SELECT, UPDATE, and DELETE. Introduction of PostgreSQL OR Condition In PostgreSQL,…

In this section, we are going to understand the working of PostgreSQL AND Condition, which is used with the WHERE clause to select unique data from more than one column in a table. And we also see examples of AND Condition with different queries such as INSERT, SELECT, UPDATE, and DELETE. Introduction of PostgreSQL AND Condition In PostgreSQL, the AND condition can combine with the SELECT, INSERT, UPDATE, and DELETE…

In this section, we are going to understand the different types of PostgreSQL Conditions, which are used to get more specific results to form a database. They are generally used with the WHERE clause. Introduction of PostgreSQL Condition In PostgreSQL, we have various types of conditions used to return more details output from the database. Usually, the Conditions with…