Useful tips for everyday
How to update the date field in Excel? 1. Filed 1 Name: Job Status (Picklist) 2. Field 2 Name: Job Status Change (Date Field) 4.…
What is parent table child table? Child tables and parent tables are just normal database tables, but they’re linked in a way that’s described by…
How do I count multiple items in SQL? How to get multiple counts with one SQL query? SELECT distributor_id, COUNT(*) AS TOTAL, COUNT(*) WHERE level…
Can you use Windows Authentication in SQL connection string? You can specify the connection string using one of the authentication methods: Windows Authentication or SQL…
Can SSRS connect to multiple data sources? Yes, you can use multiple Data Sources. Although you can’t join the data. For instance, you can’t have…
How to explain entity relationship diagram? An entity relationship diagram (ERD), also known as an entity relationship model, is a graphical representation that depicts relationships…
Is mutating trigger function may not see? The Oracle mutating trigger error occurs when a trigger references the table that owns the trigger, resulting in…
How can database queries be improved? 25 tips to Improve SQL Query Performance Use EXISTS instead of IN to check existence of data. Avoid *…
What is the relationship between dimension and fact tables? The answer is one-to-many. A star schema has one-to-many type of relationship from a dimension to…
How do you calculate total employee work hours? How to calculate hours worked Determine the start and the end time. Convert the time to military…