Tag: Advanced SQL

• June 6, 2024

  Common Table Expressions (CTEs) in Oracle Pl/Sql / Hive / Spark SQL explained and Compared

  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,…

• June 2, 2024

  Date and Time manipulation in Oracle SQL, Apache Hive QL, Mysql

  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…