Data Manipulation And Manipulation Language Essay

Data Manipulation And Manipulation Language Essay

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Data Manipulation Language Data Manipulation refers to data retrieval from the database, data insert into database, modify data of the database and delete data from the database. Since these operations can manipulate data in the database, the language is called as Data Manipulation Language. There are two main types off DMLs. They are as follows: 1. A high-level or procedural DML can be used to specify complex database operations concisely. 2. A low-level or procedural DML must be embedded in a general-purpose programming language. This type of DML retrieves individual records or objects from database and processes each separately. Data Manipulation Language in database management system consists of the following commands : SELECT – Data retrieval INSERT – Data Insertion DELETE – Data Deletion UPDATE –Update Data/Modify Data SELECT statement: SELECT statement is used to retrieve data from the underlying database tables in the database. © Copyright 2015 by P.E.P.
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Textbook Reading Assignment Thoroughly read Week 1 - 3 course lecture notes. Part 1 Glossary Terms - Advanced Topics in Data Management Foreign Key Cardinality Compound Key Concurrency Data Manipulation Language Data Warehouse Entity Entity - Relationship Diagram Flat File Linear Regression Machine Learning NoSQL OO Database PL / SQL Referential integrity Schema Second Normal Form SQL Injection Attacks Trigger Tuple 1NF Define, in detail, exactly any five of the above glossary terms from the realm of database management and design computer topics, in general. If applicable, use examples to support your definitions.
ITMD 523 Advanced Topics in Data Management HW 1 Student Name Karthik Keshavamurthy ( A20352486 ) Section For Eg: To retrieve t...


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...ecessary to handle these things. Economics Traditional databases costs more money. The amount of space that you get on buying traditional database systems is less when compared to the NoSQL database system. In other words, cost per gigabyte per second or transaction per second is many times less when compared to traditional database management system. Flexible data model NoSQL database systems have flexible data models, unlike traditional relational database management systems. If any changes to the data model in traditional database systems, then it may bring down whole database system or the functions might not work as expected. But this is not the case with NoSQL database system. NoSQL has far more relaxed data model which allows the user to add a new column to store data without any much fuss. NoSQL key value stores and document the database virtually in a data el

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