Can I read PL/SQL: Handling Null Values and Transactions on EtoBox?
PL/SQL: Handling Null Values and Transactions by 4madhu4 is a document available to read on EtoBox.
What is PL/SQL: Handling Null Values and Transactions about?
The document discusses dual tables, logical operators, null values, and transactions in Oracle SQL. It defines dual as a table with one column for testing queries, lists logical operators AND, OR, and NOT, and explains that null values represent unknown values unlike blank strings. It also notes that transactions commit permanent changes or rollback to undo changes.
- Author
- 4madhu4
- Language
- EN