by HintsToday Team | May 1, 2024 | Tutorials
Hive is an open-source data warehouse infrastructure built on top of Hadoop for providing data summarization, query, and analysis. It allows users to query and manage large datasets residing in distributed storage using a SQL-like language called HiveQL. Here’s...
by HintsToday Team | Jun 6, 2024 | SQL
Common Table Expressions (CTEs) are a useful feature in SQL for simplifying complex queries and improving readability. Both Oracle PL/SQL and Apache Hive support CTEs, although there may be slight differences in their syntax and usage. Common Table Expressions in...
by HintsToday Team | Jun 2, 2024 | SQL
Date and Time manipulation in Oracle SQL In Oracle SQL, date and time manipulation is essential for many database operations, ranging from basic date arithmetic to complex formatting and extraction. Here’s a guide covering various common operations you might...
by HintsToday Team | Jun 5, 2024 | SQL
Function NameDescriptionExample UsageResultCONCATConcatenates two strings.SELECT CONCAT(‘Oracle’, ‘PL/SQL’) FROM dual;OraclePL/SQL“ (Concatenation)Concatenates two strings.LENGTHReturns the length of a string.SELECT...
