Because of this, so-called soft skills can actually be more important than the actual technological know-how. We can teach someone a lot about Oracle APEX and SQL queries but it’s quite possible that we won’t
With bind variables in SQL, Oracle can cache related queries a single time in the SQL cache (area). This avoids a hard parse each time, which saves on various locking and latching resources we use to check objects existence and so on. BONUS: For rarely run queries, especially BATCH querie...
DBMS Tutorial | Database Management System tutorial and examples on Oracle, SQL, MongoDB, MCQ, Interview Questions with the answer, etc.
DBMS Tutorial | Database Management System tutorial and examples on Oracle, SQL, MongoDB, MCQ, Interview Questions with the answer, etc.
PL/SQL declares a cursor implicitly for all SQL data manipulation statements, including quries that return only one row. However,queries that return more than one row you must declare an explicit cursor or use a cursor FOR loop. Explicit cursor is a cursor in which the cursor name is explici...
//howtodoinjava.com/java/collections/useful-java-collection-interview-questions/ 11. Difference between sleep and wait? //howtodoinjava.com/2013/03/08/difference-between-sleep-and-wait/ 12. Also asked some sql queries. Practice yourself. ...
To generate a report of all full and incremental backups from an Oracle Enterprise Manager (OEM) database, you can use the following SQL query. This query retrieves information from the…Read more » Mastering Oracle Database: Interview Questions and Answers ...
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