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Databases / PL/SQL

PL/SQL

201+ posts

PL/SQL Aggregate Function

Last Updated: 24 October 2024

In PL/SQL, aggregate functions play an important role in summarizing and analyzing data from large datasets. These built-in SQL functions perform calculations on a set of ...read more

PL/SQL EXISTS Operator

Last Updated: 15 October 2024

The EXISTS operator in PL/SQL is a powerful tool used to check the existence of records in a subquery. Unlike traditional comparison operators that evaluate data values, E...read more

PL/SQL Unique Index

Last Updated: 16 October 2024

A PL/SQL Unique Index is a powerful database object used to ensure the uniqueness of values in one or more columns of a table. In Oracle databases, indexes play an importa...read more

PL/SQL Derived Tables

Last Updated: 15 October 2024

Derived Tablesin PL/SQL are temporary result sets that are created within the execution of a SQL statement. These are essential tools that allow developers to create tempo...read more

PL/SQL Associative Array

Last Updated: 16 October 2024

In PL/SQL, anAssociative Array(also known as anindex-by table) is a collection of key-value pairs where each key is unique, allowing for efficient retrieval of the associa...read more

PL/SQL Drop Triggers

Last Updated: 16 October 2024

In database management, triggers play an important role in maintaining data integrity and enforcing business rules automatically. However, there may be situations where we...read more

Exception Propagation in PL/SQL

Last Updated: 15 October 2024

In PL/SQL (Procedural Language/Structured Query Language), efficient error management is crucial for ensuring smooth execution and robustness in database applications. One...read more

PL/SQL Insert Dates

Last Updated: 01 November 2024

When managing databases, handling date and time data accurately is important. Date fields are frequently used for storing important information such as user birth dates, p...read more

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PL/SQL MAX() Function

Last Updated: 09 October 2024

The PL/SQL MAX() function is an essential aggregate function in Oracle databases, enabling users to efficiently determine the largest value in a dataset. Whether working w...read more

Last Updated: 09 October 2024

JOIN is a powerful operation in PL/SQL that allows us to combine data from two or more related tables based on a common key. The PL/SQL JOIN is used to select data from mu...read more

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PL/SQL MIN() Function

Last Updated: 11 October 2024

PL/SQL means Procedural Language / relational Structured Query Language, the extended language of Oracle. It is primarily used to manage and manipulate databases. One of t...read more

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Statistical Functions in PL/SQL

Last Updated: 11 October 2024

PL/SQLprovides powerful statistical functions to perform various statistical calculations directly within the Oracle database. It provides a rich set of statistical functi...read more

PL/SQL Partition

Last Updated: 11 October 2024

In PL/SQL, partitioning is a powerful feature that helps divide large tables, indexes, and other database objects into smaller, more manageable segments called partitions....read more

Fixing Mutating Table Error in PL/SQL

Last Updated: 11 October 2024

In PL/SQL, themutating table erroroccurs when a trigger tries to modify a table that is already being modified by the statement that caused the trigger to fire. This restr...read more

PL/SQL UPDATE Statement

Last Updated: 03 October 2024

The UPDATE statement in the PL/SQL(Procedural Language/ Structural Query Language) is the powerful SQL (Structured Query Language) command used to modify the existing data...read more

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