Basic Informatica Tutorial

* What are the different types of indexes in Sql server and Oracle? Identify the differences. In SQL Server and Oracle, indexes are crucial ...

Oracle—Function Syntax: ------------------------------- CREATE OR REPLACE FUNCTION function_name ( param1 IN datatype, param2 IN datatype ) ...

Oracle and SQL Server Triggers differences ORACLE: -------------- CREATE OR REPLACE TRIGGER trigger_name AFTER INSERT ON table_name FOR EACH...

There are syntactical and functional differences between Oracle and SQL Server when it comes to writing stored procedures.  Both use differe...

Hive organizes the tables into partitions, and partitions are subdivided into buckets. ALTER TABLE table_name ADD [IF NOT EXISTS] PARTITION ...

CREATE DATABASE [IF NOT EXISTS] userdb; DROP DATABASE IF EXISTS userdb; IF NOT EXISTS : This is a optional clause we are using to remove the...

Data types in Hadoop are classified into 4 types - Column Types - Literals - Null Values - Complex Types When the data range exceeds the ran...