Useful tips for everyday
How do you create a double entry system in accounting? How double-entry accounting works Step 1: Set up a chart of accounts. Step 2: Use…
How to access the first nested element in JSON? You need to select one of the items in places and then you can list the…
Why is a transaction called atomic unit of processing? Atomicity − This property states that a transaction is an atomic unit of processing, that is,…
Is MySQL remote connection encrypted? MySQL supports encrypted connections between clients and the server using the TLS (Transport Layer Security) protocol. TLS uses encryption algorithms…
How do you MERGE records in SQL? The MERGE statement basically works as separate INSERT, UPDATE, and DELETE statements all within the same statement. You…
How do I merge rows in SQL? Using MERGE to insert rows in Target table. WHEN NOT MATCHED BY TARGET clause is used to insert…
How do you reduce the size of ibdata1? How to Shrink MySQL ibdata1 Size using innodb_file_per_table Big MySQL (and MariaDB) System Tablespace. Set the innodb_file_per_table…
Can we use ORDER BY in window functions? ORDER BY is optional for the aggregate window functions and required for the ranking functions. This ORDER…
How to avoid access to the public schema in Postgres? One way to do it is to revoke everything from public: If we now re-connect…
What do you consider in asking a specific question? Ten Tips for Asking Good Questions Plan your questions. Know your purpose. Open conversation. Speak your…