Tag Archives: 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 regular expressions .Regular expressions are used to extract the needed data from the intense data and make the data suitable 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 the joins . We use Join to join two tables .The JOIN-related column values must be in two tables . …