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Questions and Answers
What does PL/SQL stand for?
What does PL/SQL stand for?
- Procedural Loop for SQL
- Processing Language for SQL
- Programming Language for SQL
- Procedural Language for SQL (correct)
In which databases is PL/SQL available?
In which databases is PL/SQL available?
- MySQL, PostgreSQL, MongoDB
- Oracle Database, SQL Server, SQLite
- Oracle Database, Times Ten, IBM Db2 (correct)
- MariaDB, Couchbase, Amazon Redshift
What can be stored in PL/SQL units?
What can be stored in PL/SQL units?
- Data types, constraints, sequences, synonyms
- Columns, rows, constraints, indexes
- Queries, tables, views, indexes
- Procedures, functions, packages, types, triggers (correct)
What kind of language elements does PL/SQL include?
What kind of language elements does PL/SQL include?
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What feature has been included in PL/SQL implementations from version 8 of Oracle Database onwards?
What feature has been included in PL/SQL implementations from version 8 of Oracle Database onwards?
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Study Notes
PL/SQL Overview
- PL/SQL stands for "Procedural Language/Structured Query Language."
- It is primarily used with Oracle databases for managing data.
Availability in Databases
- PL/SQL is exclusively available in Oracle Database environments.
Content of PL/SQL Units
- PL/SQL units can store various components such as procedures, functions, packages, and triggers.
- These units encapsulate application logic and data manipulation.
Language Elements in PL/SQL
- PL/SQL includes basic language elements such as variables, constants, control structures (loops, conditions), and exception handling.
- It supports both procedural and declarative programming constructs.
Features from Version 8 Onward
- From version 8 of Oracle Database onwards, PL/SQL implementations have included features like enhanced support for object-oriented programming.
- This allows for the creation and usage of user-defined types and objects within PL/SQL.
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