Useful tips for everyday
How do I update existing Jenkins? To upgrade Jenkins without losing your data, download the latest jenkins. war file, copy it to /opt/bitnami/jenkins directory and…
Does restarting Docker daemon restart containers? (the default) on-failure Restart the container if it exits due to an error, which manifests as a non-zero exit…
Which is more secure Windows authentication or SQL Server authentication? Windows authentication is generally more secure in SQL Server databases than database authentication, since it…
What is difference between multithreaded and single threaded? “Single-threaded” means that we open a single connection and measure the speeds from that. “Multi-threaded” means that…
How do I rollback a DDL in Oracle? The Rollback statement undoes all changes for the current session up to the savepoint specified. When you…
How do I find the query cost in SQL Server Management Studio? To display the estimated execution plan for a query On the toolbar, click…
Which Oracle product is responsible for storing the data? Oracle Automatic Storage Management (Oracle ASM) Oracle ASM is a high-performance, ease-of-management storage solution for Oracle…
How can select queries be improved? 25 tips to Improve SQL Query Performance Use EXISTS instead of IN to check existence of data. Avoid *…
Do numbers or words come first in alphabetical order? Numbers do not go before letters in an MLA works cited. Numbers are listed in alphabetical…
Does the order of columns in UPDATE statements matter? No, it doesn’t matter what order you select from. To increase speed to you can use…