Categories / oracle-database
Improving Select Query Performance in Large Tables: A Deep Dive
## Mastering Comma-Joining and CROSS JOINs in Oracle SQL
Understanding Regular Expressions in Oracle: A Deep Dive into `REGEXP_SUBSTR`: How to Find Non-Overlapping Matches in Strings Using Oracle's `REGEXP_SUBSTR` Function Instead
ANTLR, SQL Subqueries: Mastering the Art of Robust Parsing and Extraction
Understanding the "Order By" Clause in SQL with GROUP BY: Efficient Querying for Complex Relationships
Understanding Date Formats in PL/SQL: A Comprehensive Guide to NLS_DATE_FORMAT and Date Manipulation
Joining Tables Based on the Closest Date Value: A Comprehensive Guide
Parsing Value Delimited from Both Sides of It into Multiple Rows Using SQL
Reusing Calculated Columns in Oracle Updates: A Comparison of Subqueries and User-Defined Functions
Understanding SQL Update Statements with Inner Joins: Mastering Data Manipulation in Relational Databases