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DBMS Interview Questions

Arvind Kumar
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1K+دانلودها
4MBاندازه
Android Version Icon4.0.3 - 4.0.4+
إصدار الأندرويد
1.0.3(31-01-2020)آخرین نسخه
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توضیحات DBMS Interview Questions

This app is designed for computer science engineering,b. tech, mca,bca,ms student & software professionals to learn Database questiones mostly asked during interview. Allmost all question from topics given below are covered in the app.


Introduction and applications of DBMS, Purpose of data base, Data, Independence, Database System,architecture- levels, Mappings, Database, users and DBA,Structure of relational databases, Domains, Relations,,Relational algebra – fundamental operators and syntax,,relational algebra queries, tuple relational calculus,Entity-Relationship model :Basic concepts, Design process, constraints, Keys,Design issues, E-R diagrams, weak entity sets,extended E-R features – generalization,specialization,aggregation, reduction to E-R database schema,Relational Database design :Functional Dependency – definition, trivial and non-trivial


FD, closure of FD set, closure of attributes, irreducible setof FD, Normalization – 1Nf, 2NF, 3NF, Decomposition,using FD- dependency preservation, BCNF, Multivalued


dependency, 4NF, Join dependency and 5NF,Query Processing & Query Optimization :Overview, measures of query cost, selection operation,sorting, join, evaluation of expressions,transformation of relational expressions, estimating,statistics of expression results, evaluation plans,materialized views,Transaction Management :


Transaction concepts, properties of transactions,serializability of transactions, testing for serializability,System recovery, Two- Phase Commit protocol,Recovery and Atomicity, Log-based recovery, concurrent,executions of transactions and related problems,Locking mechanism, solution to concurrency related,problems, deadlock, , two-phase locking protocol,Isolation, Intent locking,Security:introduction, Discretionary access control, MandatoryAccess Control, Data Encryption,SQL Concepts :Basics of SQL, DDL,DML,DCL, structure – creation,alteration, defining constraints – Primary key, foreign key,unique, not null, check, IN operator,Functions - aggregate,functions, Built-in functions,numeric, date, string functions, set operations, sub-queries,correlated sub-queries, Use of group by, having, order by,join and its types, Exist, Any, All , view and its types,transaction control commands – Commit, Rollback,Savepoint,PL/SQL Concepts :Cursors, Stored Procedures, Stored Function,Database,Triggers

</div> <div jsname="WJz9Hc" style="display:none">Deze app is bedoeld voor informatica engineering, b. tech, MCA, bca, ms student & software professionals op Database questiones meestal vroeg tijdens interview leren. Bijna alle vraag van onderwerpen hieronder worden behandeld in de app.


Inleiding en toepassingen van DBMS, Doel van de data base, Data, Onafhankelijkheid, Database System, architectuur- niveaus, Mappings, Database, gebruikers en DBA, structuur van relationele databases, Domeinen, Relations ,, Relationele algebra - fundamentele operatoren en syntax ,, relationele algebra queries, tupel relationele calculus, Entity-Relationship model: Basis concepten, ontwerp proces, beperkingen, sleutels, ontwerp kwesties, ER diagrammen, zwakke entiteit sets, uitgebreid ER functies - generalisatie, specialisatie, samenvoeging, reductie tot ER database schema, Relational Database ontwerp: Functionele Afhankelijkheid - definitie, triviale en niet-triviaal


FD, sluiting van FD set, sluiting van attributen, onherleidbare setof FD, Normalisatie - 1NF, 2NF, 3NF, ontleding met FD afhankelijkheid behoud, BCNF, met meerdere


afhankelijkheid, 4NF, Join afhankelijkheid en 5NF, Query Processing & Query Optimization: Overzicht maatregelen query kosten, selectie operatie, sorteren, join, evaluatie van uitdrukkingen, transformatie van relationele uitdrukkingen, schatten, statistieken van meningsuiting resultaten, evaluatie plannen, gematerialiseerd uitzicht , Transaction Management:


Transactie concepten, eigenschappen van de transacties, serializability van de transacties, het testen voor serializability, Systeemherstel, Twee- Phase Commit protocol, Recovery en atomiciteit, Log-gebaseerde herstel, gelijktijdige, executies van de transacties en de daarmee samenhangende problemen, Locking mechanisme oplossing voor gelijktijdigheid gerelateerde, problemen, impasse, tweefasen vergrendeling protocol, Isolatie, Intent vergrendeling, Beveiliging: inleiding, Discretionary toegangscontrole, MandatoryAccess Control, Data Encryption, SQL Begrippen: Basis van SQL, DDL, DML, DCL, structuur - de oprichting, wijziging, het definiëren beperkingen - Primaire sleutel, foreign key, uniek, niet null, controleren, IN operator, Functies - aggregaat, functies, ingebouwde functies, numerieke, datum, string functies, set bewerkingen, sub-queries, gecorreleerd sub-queries, het gebruik van groep door, met, bestelling door, join en de types, Exist, Elke, Alle, uitzicht en de types, transacties stuurcommando's - Naleven, terugdraaien, opslagpunt, PL / SQL Concept: cursors, Stored Procedures, Opgeslagen functie, Database, Triggers</div> <div class="show-more-end">

DBMS Interview Questions - نسخه 1.0.3

(31-01-2020)
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DBMS Interview Questions - اطلاعات APK

نسخه APK: 1.0.3حزمة: com.infoland.interview_questions_database
سازگاری با اندروید: 4.0.3 - 4.0.4+ (Ice Cream Sandwich)
برنامه‌نویس:Arvind Kumarشرایط حریم‌خصوصی:http://appstube.in/privacy-policy.htmlمجوزها:4
نام: DBMS Interview Questionsاندازه: 4 MBدانلودها: 7نسخه : 1.0.3تاریخ انتشار: 2020-01-31 00:48:35
حداقل صفحه‌نمایش: SMALLپردازشگر پشتیبانی‌شده: شناسه بسته: com.infoland.interview_questions_databaseامضای SHA1: 65:25:A8:B1:9B:AF:4B:11:7C:05:D6:E2:51:05:65:B4:9C:EF:3F:2Fحداقل صفحه‌نمایش: SMALLپردازشگر پشتیبانی‌شده: شناسه بسته: com.infoland.interview_questions_databaseامضای SHA1: 65:25:A8:B1:9B:AF:4B:11:7C:05:D6:E2:51:05:65:B4:9C:EF:3F:2F

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