The WHERE clause tells Oracle which rows to keep and which to skip. This tutorial shows practical ways to filter data using comparisons, ranges, pattern matching, NULL logic, subqueries, JSON paths, and vector-aware filtering in Oracle Database 23ai. You will…
Every value stored in an Oracle Database must follow a data type. A data type defines what kind of data can be stored, how much space it takes, and what operations you can perform on it. Oracle Database 23ai continues…
The MERGE statement in Oracle Database is a powerful command that combines the functionality of both INSERT and UPDATE. Instead of writing separate SQL commands, MERGE allows you to check whether a row exists and then decide whether to insert…
The DELETE statement in Oracle Database 23ai is used to remove existing rows from a table. Unlike DROP TABLE, which removes the entire table, DELETE only takes away specific records while keeping the table structure intact. This tutorial explains how…
The UPDATE statement in Oracle Database 23ai is used to change existing data in a table. Instead of inserting new rows, UPDATE helps you adjust or fix information that is already stored. This tutorial explains how to use UPDATE step…
Working with a database is all about getting useful information out of it. Oracle Database 23ai gives you a powerful way to do this with the SELECT statement. This tutorial explains in detail how to write SELECT queries, step by…
When you start working with Oracle Database 23ai, one of the first things you need to learn is how to add data into your tables. Inserting data is a basic yet powerful operation because every application depends on storing and…
Creating tables is the foundation of database development in Oracle. A table defines how your data will be structured, stored, and managed. In Oracle Database 23ai, the CREATE TABLE statement continues to be the central command, and while the basics…
Installing Oracle SQL Developer 24 on Windows is very simple; you just need to follow a few steps, and it’s done. To interact with Oracle Database in a user-friendly way, every developer needs an IDE that makes it easy to…
Oracle Database 23ai is the latest release that brings advanced features for developers and database administrators. This tutorial walks you through downloading, installing, and configuring Oracle Database 23ai on a Windows system. You will also learn how to connect with…
Writing for artificial intelligence has become one of the most practical skills for professionals, students, bloggers, and content creators. When you want to get a detailed essay, a professional article, or a structured tutorial, the most important part is not…
Working with Oracle Forms often involves searching for specific records from a database table. The ENTER_QUERY built-in is one of the most important tools for this purpose. It allows developers and end-users to put a form into query mode so…
If your Vizio TV is running slow, apps are freezing, or the picture and sound are not working as expected, performing a reset can often solve the problem. Many people ask, how to reset my Vizio TV when it starts…
Many people who spend long hours on computers eventually deal with wrist pain, finger strain, or even conditions like carpal tunnel syndrome. Traditional flat mice force your wrist into a horizontal position, which may not always be natural for extended…
In Oracle Forms, developers often need to apply dynamic changes to individual records in a multi-record block rather than affecting all records at once. The built-in SET_ITEM_INSTANCE_PROPERTY makes this possible. With this built-in, you can alter the appearance, functionality, and…
Oracle Application Express (APEX) is a low-code development platform that enables rapid application building on top of Oracle Database. For experienced professionals, interviews typically go beyond the basics and focus on architecture, performance tuning, security, integration with external systems, and…
Oracle Reports is a powerful tool for developing reports based on Oracle databases, widely used in enterprises for creating professional, interactive, and printable reports. If you are preparing for an interview, you can expect questions that cover everything from basic…
Preparing for an Oracle Forms interview can feel challenging because the questions often cover a wide range of topics—from the basics of Oracle Forms architecture to advanced built-ins and integration with PL In this article, you will find 50 carefully…
