Retrieve Row Counts for All Oracle Tables When managing large Oracle databases, you may need to quickly retrieve the row counts for all tables to...
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Databases
This category explores the world of databases, covering relational and non-relational systems, best practices, and tutorials for managing, optimizing, and securing data. From SQL fundamentals to advanced configurations, this is the go-to hub for database professionals and enthusiasts.
Diving into Dynamic SQL in PL/SQL Dynamic SQL in PL/SQL is essential when the exact structure of a SQL statement isn't known until runtime. This ...
Dancing with Oracle Packages: A Complete Code Walkthrough Oracle Packages in PL/SQL are powerful tools for modularizing and organizing code. They...
Forward Declarations in Oracle PL/SQL: Explanation and Use Cases Oracle PL/SQL does not allow forward references, meaning that you must declare s...
Understanding Subprogram Overloading in PL/SQL Subprogram overloading allows you to define multiple procedures or functions with the same name bu...
Playing with PL/SQL %ROWTYPE: Simplifying Row-Based Operations The %ROWTYPE attribute in PL/SQL allows you to work with entire rows from a table ...
Understanding PL/SQL Variable Scope Variable scope in PL/SQL determines where a variable can be accessed or modified. PL/SQL supports local, glob...
Understanding the PL/SQL MERGE Statement The PL/SQL MERGE statement allows you to insert and update operations in a single query. It is particula...
PL/SQL Collections: Associative Arrays, Nested Tables, and Varrays PL/SQL offers three types of collections for managing groups of data: Associat...
In Oracle databases, UNIQUE constraints ensure no duplicate values are inserted into the specified column(s). However, Oracle treats NULL values ...