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Query optimization is a technique for obtaining required data in a very efficient manner when we deal with databases which are having a very large amount of data and very complex data. And also there is a scenario i.e. in general queries are tested with a database, which is having very fewer data at the Continue Reading »
Introduction SQL (Structured Query Language) may be a programing language that’s wont to conduct operations on database records, like updating, inserting, deleting, and creating and altering database tables and views. SQL may be a command language instead of a database system. Assume you would like to use the SQL language to run queries on the database’s data. Any direction system, like Oracle, MySQL, MongoDB, PostgreSQL, SQL Server, DB2, and others must be Continue Reading »
In this tutorial will discuss about Hibernate Query Language. HQL is an object-oriented query language. Hibernate Query Language(HQL) is same as Structured Query language(SQL), except that in HQL we use entity class name instead of table name. HQL provides its own syntax and grammar Ex. From Employee emp . Where Employee is an entity class Continue Reading »
What is SQLite? SQLite is an open source, zero-configuration, self-contained, stand-alone, transaction relational database engine designed to be embedded in an application. SQLite is an embedded relational database management system used in the mobile applications. SQLite is different from other SQL databases because unlike most other SQL databases, SQLite does not have a separate server Continue Reading »