NewDateValue NULL Logical Functions The next grouping of new T-SQL commands is logical functions; they include two new commands, CHOOSE and IIF. These commands are used for logical operations to help ...

SQL Basics Hand Written Notes Topics covered : • DBMS & RDBMS definition • Types of Commands (DDL, DML, DQL, DCL & TCL) • Database design (Relational Schema) • Constrains (Primary ...

However, today we have an embarrassment of SQL options for “NoSQL.” Hive offers SQL for Hadoop systems, Spark has SparkSQL, MongoDB has a SQL-based BI connector, and so on. However, in the modern ...