Write a query to get maximum and second maximum in oracle?
What is the database url?
What is database schema name?
Under which circumstance should you create an index on a table?
Which is the most reliable programming language for RDBMS Relational Database Management System for Multi user applicaton. For PC application or web application ?
Explain artificial key?
Can we use redis as database?
How to fetch/retrieve the data from hieranchical database and put it into the relational database? for e.g I want to extract the data from IMS DB2 database which is a hierarchical db and load that data into the relational database which is a SQL server.Are there any tools available for directing extracting data from hierarchical db and loading into the relational database (SQL server)?
What is table scan and index scan?
Can you tell any two advantages of stored procedures?
query to Compare data of two tables between two different Databases(Oracle and SQL Server) Eg., Source Database: Oracle Table: Employee Target Database : SQL Server Table : emp
What do you mean by cluster and non cluster index?
What is a database string?