Useful tips for everyday
How deadlock is fixed in SQL Server? Recap the solution steps: Check the system_health session for deadlocks. Create an extended event session to capture the…
How do I REVOKE delete privileges in PostgreSQL? Introduction to the PostgreSQL REVOKE statement First, specify the one or more privileges that you want to…
What is error number 18456 in SQL Server? The generic message “Login Failed for User (Microsoft SQL Server, Error: 18456)” means you entered invalid credentials…
How to sum based on column and row criteria in Excel? Sum cells based on column and row criteria with formulas Here, you can apply…
How do I check if two rows have the same value in MySQL? Find duplicate values in one column First, use the GROUP BY clause…
What are the different types of database models? Types of database models Hierarchical database model. Relational model. Network model. Object-oriented database model. Entity-relationship model. Document…
Does multiple updates in a table will decrease the performance? The single UPDATE is faster. That is, multiple UPDATE turned out to be 5-6 times…
How do I make SQL Select query faster? Here are some key ways to improve SQL query speed and performance. Use column names instead of…
How do I create a temp table in Progress 4gl? The TEMP-TABLE is a very powerful feature of Progress ABL. It’s a temporary in-memory (mostly…
How do I execute a stored procedure in Oracle? You can also execute a procedure from the Oracle SQL Developer using the following steps: Right-click…