Oracle PLSQL technical interview questions and answers help candidates understand advanced database programming concepts used in enterprise applications. PL/SQL is Oracle’s procedural language extension that supports functions, stored procedures, packages, exceptions, loops, and triggers. Because PL/SQL developers play an important role in backend development, companies like TCS, Wipro, Infosys, Capgemini, Cognizant, and Accenture frequently ask PL/SQL interview questions during technical rounds and placement tests. This guide provides clear explanations of the most commonly asked PL/SQL queries and coding questions. Whether you are a fresher or an experienced developer, mastering PL/SQL helps you solve real-world problems during interviews. You can also download interview PDFs and practice mock tests to boost your confidence.
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1. To see current user name
Sql> show user;
2. Change SQL prompt name
SQL> set sqlprompt “Ramesh > “
Ramesh >
Ramesh >
3. Switch to DOS prompt
SQL> host
4. Oracle cursor : Implicit & Explicit cursors
Oracle uses work areas called private SQL areas to create SQL statements.
PL/SQL construct to identify each and every work are used, is called as Cursor.
For SQL queries returning a single row, PL/SQL declares all implicit cursors.
For queries that returning more than one row, the cursor needs to be explicitly declared.
5. Explicit Cursor attributes
There are four cursor attributes used in Oracle
cursor_name%Found, cursor_name%NOTFOUND, cursor_name%ROWCOUNT, cursor_name%ISOPEN