Skip to content

Tag Archives: SQL-Query

One of the most frequent problems faced by the full-stack developers, or the DBMS managers is the debugging of the MySQL queries. It is very… Read More
SQL Server is very popular in Relational Database, because of its versatility in exporting data in  Excel/CSV/JSON formats. This feature helps with the portability of… Read More
Through this article, we will learn how to delete duplicate columns from a database table. As we know that duplicity in our database tends to… Read More
The retention rate is calculated by counting the number of users who return on a regular basis, such as every week or month, and grouping… Read More
In this article, we are going to learn a SQL Query to convert data in Datetime data type to data in Epoch datatype. So, Epoch… Read More
In SQL, we need to find out the department-wise information from the given table containing information about employees. One such data is the name of… Read More
In this article, we are going to learn how to convert Timestamp to Datetime in MySQL.To execute these queries, we need to first add integer… Read More
In SQL, we need to find out the department-wise information from the given table containing information about employees. One such data is the details of… Read More
In SQL, we need to find out the department-wise information from the given table containing information about employees. One such data is the name of… Read More
In SQL, we need to find out the department-wise information from the given table containing information about employees. One such data is the name of… Read More
In SQL, we need to find out the department-wise information from the given table containing information about employees. One such data is the name of… Read More
As we create a new user in the Oracle database, we first need to grant it the required privileges. After that only we can use… Read More
In SQL, we cannot RENAME a SCHEMA. To achieve this, we need to create a new SCHEMA, transfer all the contents(objects) from the old schema… Read More
In SQL, there exists a concept of referential integrity. This means that a foreign key can take reference from the primary key of another table.… Read More
There are multiple ways to list all the permissions for users present in a Database in Oracle SQL. Such ways are depicted in the below… Read More

Start Your Coding Journey Now!