Tag Archives: what is sql

Hi , In this article I will tell you some operators . Comparison operators When we want to compare data, for example, there are statements that make it easier for …

Hi , In this article I will tell you about multi-column subqueries and related subqueries .Subqueries are used to join data , and the value obtained with the subquery can …

Hi , In this article I will tell you the differences between time expressions and how they are used . TIMEZONE PARAMETER How TIME_ZONE is updated : By giving the …

Hi , In this article , I will tell you how to use the default value , how to copy data from another table . USING DEFAULT VALUE The default …

Hi , In this article I will tell you how to use data dictionary views , what is a data dictionary . DATA DICTIONARY Database information is information about all …

Hi , in this article , I will tell you about user creation and user access . USER ACCESS Each user is logged into the system with their user name …

Hi , In this article I will tell you what is view , how to create . View is the collection of data from multiple tables into a single table and the …

Hi , In this article , I will explain topics such as updating data , deleting data from table and adding records to table . ADDING RECORD TO TABLE The …

Hi , In this article , I will tell you about group functions .Group functions , when we do a query in the table if we write this query using …

Hi, What is sql in this article? , What are the sql rules of writing? We will find answers to such questions . WHAT IS SQL (STRUCTURED QUERY LANGUAGE) ? …