Oracle database basic interview questions
WebBelow are some of the most important SQL questions you should be able to answer. 1. Explain what SQL is: SQL stands for structured query language. SQL is the language that is used to create databases and tables, to update or retrieve data from the databases, and anything else involving organizing or using data. 2. WebJul 4, 2024 · 1) What is cache fusion? Ans: In a RAC environment, it is the combining of data blocks, which are shipped across the interconnect from remote database caches (SGA) to the local node, in order to fulfill the requirements for a transaction (DML, Query of Data Dictionary). 2) What is split brain? Ans:
Oracle database basic interview questions
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WebMar 15, 2024 · List Of Top Oracle Interview Questions Q #1) What is Oracle and what are its different editions? Answer: Oracle is one of the popular databases provided by Oracle … WebMar 19, 2024 · Following questions can be asked in interviews: Basic, and to some extent nested SQL queries to fetch data from database tables. Examples of database statements for Create Database, Create table and Drop Table. Concept of “Primary Key”, “Foreign Key” and DB index. Examples of SELECT, INSERT, DELETE, ALTER, and UPDATE SQL statements.
WebMar 11, 2024 · 10) Enlist the various relationships of database. One-to-one: Single table having drawn relationship with another table having similar kind of columns. One-to-many: Two tables having primary and foreign key relation. Many-to-many: Junction table having many tables related to many tables. WebApr 7, 2024 · Generally speaking, the easier, definitional questions will be fewer and less important than the live coding questions—something to keep in mind as you prepare. 1. Define a SQL term. If you’re interviewing for a data analyst role, chances are you know what SQL is (and your interviewer assumes you know this).
WebApr 22, 2024 · Oracle Technical Interview Questions 21) In what language was Oracle developed? The C programming language was used for Oracle's development. 22) What … WebMar 15, 2024 · Example answer: 'RMAN, or recovery manager, is an Oracle Database client that automates the management of your backup plans and executes backup and recovery operations on your databases. RMAN streamlines the job of database administrators by controlling the backup, restoration and recovery of the production database's files.
WebMay 6th, 2024 - Here is a list of 60 interview questions about Oracle Database with their answers The list contains questions useful for basic freshers and experienced oracle …
WebJun 24, 2024 · Related: Top 15 RDBMS interview questions with sample answers Here are 15 commonly asked RDBMS interview questions and sample answers to use as inspiration: 1. What are the three core features of an RDBMS, and what do each of them represent? This is a technical question to assess your fundamental knowledge of RDBMS. fowey classics regattaWebMay 25, 2024 · Q3) what are the different components of physical and logical database structure? Answer: physical: Datafile,Controlfiles, redologfiles. Logical: Database buffer cache, Redo log buffer cache,Shared pool,large pool Q4) What is Database Writer (DBWR)? Answer: It is responsible to writing data from database buffer cache into datafiles. fowey coastal walksWebThe content of this questions includes the topics on Schema, Data File, Overloading, Oracle Instance, Tablespace, DML, Oracle programming, Operators, Query Types, Oracle SQL functions, Oracle Data Types, and many more. Referring to the below question and answers, you will be able to get more knowledge on basic and advanced level concepts. discount tire balance with new tires