Two Efficient Queries to Get Row Counts for All Oracle Tables
Learn how to get row counts for all tables in Oracle using SQL queries. These approaches handle both user and all accessible tables efficiently.
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Mastering Dynamic SQL in PL/SQL: Native Dynamic SQL & DBMS_SQL Explained
Learn how to use Dynamic SQL in PL/SQL with Native Dynamic SQL and the DBMS_SQL package. Detailed examples for executing SQL statements dynamically.
Oracle Package: Comprehensive Example with Code
Explore a complete Oracle PL/SQL package example with public variables, procedures, functions, and initialization. Understand package structure and functionality with code.
Understanding Forward Declarations in Oracle PL/SQL Packages
Learn about forward declarations in Oracle PL/SQL, their importance in package bodies, and when to use them for logical subprogram organization.
Overloading Subprograms in PL/SQL: Benefits and Limitations
Learn about subprogram overloading in Oracle PL/SQL, when to use it, and its limitations. Explore how to create overloaded procedures and avoid errors.
Mastering PL/SQL %ROWTYPE: Examples for Insert, Update, and Bulk Operations
Learn how to use the %ROWTYPE attribute in PL/SQL for managing database rows. Explore examples for insert, bulk insert, and update operations.
Understanding PL/SQL Variable Scope with Examples and Output
Explore the scope of the PL/SQL variable with practical examples. Learn how local and global variables interact and how PL/Scope enhances code analysis.
Mastering PL/SQL MERGE Statement: Insert and Update in a Single Operation
Learn how to use the PL/SQL MERGE statement to perform insert and update operations in a single query. Simplify your database operations with this powerful statement.
Quick Guide: Associative Arrays, Nested Tables, and Varrays in PL/SQL
Learn the key differences and usage of PL/SQL collections: associative arrays, nested tables, and varrays. Includes examples for quick reference.
Understanding UNIQUE Constraints and NULL Values in Oracle
Learn how Oracle handles UNIQUE constraints with NULL values, including single-column and composite constraints. Explore behavior and examples.
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