SQL MERGE Statement
Problem: Table: CUSTOMER_FIN Table: CUSTOMER_RAW Use of MERGE Statement and insert new records. Syntax MERGE INTO table_name–Β specify the target […]
Problem: Table: CUSTOMER_FIN Table: CUSTOMER_RAW Use of MERGE Statement and insert new records. Syntax MERGE INTO table_name–Β specify the target […]
Problem: Required: The SQL CASE statement allows you to perform IF-THEN-ELSE functionality within an SQL statement. Itβs good for displaying
A subquery is a query nested inside another query, typically used to perform more complex searches by querying results from
π Introduction In Banking and FinTech applications, Oracle SQL functions are used daily for: This blog provides a complete hands-on
Query-based questions are the most important part of Oracle SQL technical rounds.Interviewers use these questions to test: Below are commonly
With Real-Time Examples Asked in Top IT Companies & Banks If you are preparing for an Oracle SQL / PL-SQL
DisclaimerAll names, phone numbers, account numbers, branch names, and transaction details used in this article are purely fictional and created
We will use one common schema: user will: π ENTITY DESIGN (CORE BANKING) Plus: πΉ STEP 1: Create BANKING Schema
Requirements ποΈ HIGH-LEVEL DESIGN (BEST PRACTICE) πΉ STEP 1: Core Database Hardening (DBA β Once) Login as SYS: 1οΈβ£ Enable
π¦ Oracle SQL for Core Banking Systems (CBS) Role Perspective: Senior Oracle Database ArchitectTarget Role: Banking SQL / PL/SQL DeveloperFocus: