Useful tips for everyday
How do I know if an event is scheduled on? We can check the status of the event scheduler thread by executing the following command.…
Do databases need a primary key? Each database table needs a primary key because it ensures row-level accessibility. If you choose an appropriate primary key,…
What is the difference between a view and a query? Views are a special version of tables in SQL. The view is a query stored…
How do you change IP address in MongoDB? And so on. In MongoDB, you can enter this range by going to Network Access under the…
How can insert selected values in a table in MySQL? The SQL INSERT INTO SELECT Statement The INSERT INTO SELECT statement copies data from one…
Do I need SQL CALs? How many CALs do I need? Every User or Device accessing the SQL Server software, virtual or physical, must be…
Where is Oracle database installed? Installing Oracle Database on Windows Go to Oracle Database Software Downloads in your browser. Download the 64-bit . Run the…
How to restore deleted records in PostgreSQL stack overflow? I accidentally deleted all the records from 3 tables in PostgreSQL. How can i restore the…
How do you select a database and make it current? When you have multiple databases in your SQL Schema, then before starting your operation, you…
Should I use int or GUID for primary key? int is smaller, faster, easy to remember, keeps a chronological sequence. And as for Guid ,…