SQL & DBMS Assignment Help Online (C4-S69)
IT Write-ups Course Assignment and Homework Help
SQL & DBMS Assignment Help Online
IT Write-ups Course Assignment and Homework Help
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A Database Management system (DBMS) is a software specially designed to manage the database by defining, retrieving, and manipulating its data. DBMS manages data depending on the application requirements. SQL or Structured Query Language is a programming language using which a database can be accessed. The function of the SQL tools is to manipulate the data in a database while on the other hand DBMS is associated with the management of data in the same database. It is impossible to construct any computer application without a proper database; therefore, it is extremely important for a developer to have a clear and basic understanding of the database and all other associates. All those who aspire to pursue a successful career as a system and software developer must know the difference between DBMS and SQL tools.
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Four types of DBMS are there-
hierarchical DBMS, Relational DBMS, Object-Oriented Relation DBMS, and Network DBMS. Structured Query Language (SQL) is typically applicable for the Relational Database system. Several SQL tools are there to perform various types of operations like manipulation, maintenance, and optimization.
DBMS software is most popular - MySQL, Oracle, MS SQL Server.
Popular management tools on SQL are - Navicat Monitor, Adminer, DBComparer and many more.
SQL learning is relatively easy and flat with limited functionalities typically used for some specific purposes. Anyone who learns it once can use the same SQL in all DBMS software with little changes and modifications in some of the other. On the other hand, DBMS software is relatively difficult to learn and therefore, one has to put a lot of effort and invest time in becoming a master in the domain. Do not take any tension on how to become a pro in SQL and DBMS understanding, TutorDollar is here to wash out your worries.
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UNIT I: Database System Applications, Purpose of Database Systems, View of Data – Data Abstraction – Instances and Schemas – data Models – the ER Model – Relational Model – Other Models – Database Languages – DDL – DML – database Access for applications Programs – data base Users and Administrator – Transaction Management – data base Architecture – Storage Manager – the Query Processor Data base design and ER diagrams – ER Model - Entities, Attributes and Entity sets – Relationships and Relationship sets – ER Design Issues – Concept Design – Conceptual Design for University Enterprise. Introduction to the Relational Model – Structure – Database Schema, Keys – Schema Diagrams
UNIT II: Relational Query Languages, Relational Operations. Relational Algebra – Selection and projection set operations – renaming – Joins – Division – Examples of Algebra overviews – Relational calculus – Tuple relational Calculus – Domain relational calculus. Overview of the SQL Query Language – Basic Structure of SQL Queries, Set Operations, Aggregate Functions – GROUPBY – HAVING, Nested Sub queries, Views, Triggers.
UNIT III: Normalization – Introduction, Non loss decomposition and functional dependencies, First, Second, and third normal forms – dependency preservation, Boyee/Codd normal form. Higher Normal Forms - Introduction, Multi-valued dependencies and Fourth normal form, Join dependencies and Fifth normal form
UNIT IV: Transaction Concept- Transaction State- Implementation of Atomicity and Durability – Concurrent – Executions – Serializability- Recoverability – Implementation of Isolation – Testing for serializability- Lock –Based Protocols – Timestamp Based Protocols- Validation- Based Protocols – Multiple Granularity. Recovery and Atomicity – Log – Based Recovery – Recovery with Concurrent Transactions – Buffer Management – Failure with loss of nonvolatile Storage-Advance Recovery systems- Remote Backup systems.
UNIT V: File organization: – File organization – various kinds of indexes. Query Processing – Measures of query cost - Selection operation – Projection operation, - Join operation – set operation and aggregate operation – Relational Query Optimization – Transacting SQL queries – Estimating the cost – Equivalence Rules.
Books we use:
- Database System Concepts, Silberschatz, Korth, McGraw hill, Sixth Edition. (All UNITS except III th)
- Database Management Systems, Raghurama Krishnan, Johannes Gehrke, TATA McGrawHill 3rd EditionTutorDollar experts of SQL and DBMS assignments help also provide a detailed understanding of how to design a database which happens to be a great help for all the students out there who wish to develop themselves as successful software and programming language developer.
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