Useful tips for everyday
How do I count cells based on other cell values? To count based on multiple criteria, use the COUNTIFS function. With COUNTIFS you can enter…
How does update work in PostgreSQL? UPDATE changes the values of the specified columns in all rows that satisfy the condition. Only the columns to…
What is central management server in SQL Server? Central management servers store a list of instances of SQL Server that is organized into one or…
Does foreign key constraint affect performance? It’s a common mistake to avoid creating foreign keys in a database because they negatively impact the performance. It…
How to find SQL Server performance bottlenecks and fix these issues? Add more RAM to increase SQL Server scalability. Find and Fix CPU Bottlenecks –…
How do subqueries work in SQL? A Subquery or Inner query or a Nested query is a query within another SQL query and embedded within…
Can triggers handle more than one operation at a time? Each trigger would handle multiple unrelated items of business logic. Can we have multiple triggers…
How do you check table record count? The SQL COUNT() function returns the number of rows in a table satisfying the criteria specified in the…
Is there a way to recover MySQL database? To recover MySQL database, there are different ways. Read below to recover it completely. Using mysqldup comman…
How do I send an email using SMTP Office 365? To send emails using Office365 server enter these details: SMTP Host: smtp.office365.com. SMTP Port: 587.…