PostgreSQL COUNT function.
The PostgreSQL COUNT function returns the number of expressions….
Discrete and standalone transactions in Oracle.
To help in managing transactions, Oracle DBMS allows you to use two special types of transactions – discrete transactions and standalone transactio…
Oracle database security and PL/SQL programming.
Many PL/SQL developers believe that only database administrators and security specialists should take care of security. Indeed, some security aspects …
PostgreSQL MAX function.
PostgreSQL MAX function returns the maximum value of the expression….
A storage array is what? Disk and data server architecture.
A storage array also referred to as a disk array, is a data storage system for block-based storage, file-based storage, or object storage. Storage arr…
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