Oracle9i Interview Questions And Answers Pdf
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What is Oracle and what are its different editions? Answer: Oracle is one of the popular database provided by Oracle Corporation, which works on relational management concepts and hence it is referred to as Oracle RDBMS as well.
I think they were looking to see your communicating skills. Can you continue objective and fair once dealings with a conflict involving friends. In essence, open-ended questions are those that cannot be answered with a simple yes or no. Is a question ordinarily asked at interview — oft opposite with what are your strengths. Questions to ask the doctor.
Oracle Oci Ic2 Interview
Explore Now! Oracle Interview Questions and Answers provided here are appropriate for both freshers and experienced candidates. By going through this questionnaire, anyone must be able to recognize the questions and explanations provided. All these questions will surely enable you to prepare for technical interviews and online tests which is conducted at the time of campus placement.
Referring to the below question and answers, you will be able to get more knowledge on basic and advanced level concepts. Schema objects are tables, views, sequences, synonyms, indexes,databases triggers, procedures, functions, packages.
What is a Table? The table is collection inforamation. A table is the basic of rows and columns. What is a View? A View is a virtual table. Not a physical table. What is an Index? An index is uset to performace tunnig in queries. Index can be created on one or more columns of a table. What is a Data file? The data of logical database structures is tables and indexes is physically stored in the data files allocated for a database.
SQL and procedural programming language constructs such as named blocks,iterations, conditional branching.. What is a cursor?
Why cursor is required? Cursor is a named private sql area from where information can be passed and excuted or accessed. Cursors are required to process rows individually for queries returning multiple rows. Explain the two types of cursors? Implicit cursors Explicit cursors. For loop cursors.
User defined cursors are called explicit cursors. User using Cursors in for loop the Cursor called for loop Cursor. What is Overloading of procedures? The same procedure name is repeated with parameters of different datatypes and parameters in different positions, varying number of parameters is called overloading of procedures. What is a package? What are the advantages of package? The advantages of packages are modularity, easier application design, information hiding, reusability and better performance Q Truncate is Dml Statements.
Cannot be rolled back. Delete allows the filtered deletion. Deleted records can be rolled back or committed. What is a join? Explain the different types of joins? Join is a query,retrieves data from related columns or rows from multiple tables. Self join — Joining the table with itself Equi Join — Joining two tables by equating two common columns Non Equi Join — Joining two tables based on conditions other than equating two common columns Outer Join — Joining two tables in such a way that query can also retrieve rows that do not have the corresponding join value in the other table.
What is a Subquery? What is correlated sub-query? Correlated sub-query is a sub-query, which has reference to the main query. MINUS returns all distinct rows selected by the first query but not by the second. UNION returns all unique rows selected by either query.
It enables rolling back part of a transaction. Maximums of five save points are allowed. ROWID is a pseudo column attached to each row of a table. It is 18 characters long, blockno. ORACLE maintains referential integrity by automatically removing dependent foreign key values if a referenced primary or unique key value is removed. What is maximum SIZE allowed for each type? CHAR pads spaces to the maximum length. How to store the results of a query into a file?
The results of a query can be stored into a file by spooling into a file. SPOOL filename. Which two statements about subqueries are true?
Choose two. A single row subquery can retrieve data from only one table. A single row subquery can retrieve data from more than one table. A single row subquery cannot be used in a condition where the LIKE operator is used for comparison. A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison. Which three functions can be used to manipulate character, number, or date column values? Choose three. RPAD E. Which statement about a table is true?
A table can have up to 10, columns. The size of a table does NOT need to be specified. NULL Q Which functions could you use to strip leading characters from a character string. Select two. MOD Q Ascript file which will be executed automatically in iSQLPlus is a afiedt.
A command in iSQL plus is used to give the status of old and new value of variable a set feedback b set verify c set confirm d none of the above Q All commands are used to save the changes of the transaction except one a Commit b exitting from sqlplus c DDL command d savepoint e none of the above Q A Clause which is used in joining two tables other than equality operator is a join b on c in d using Q A Query which is used in top-N analysis is a subquery b correlated subquery c inline query d outer query Q An operator is used to get and display the redundant records a Union all b Distinct c Union d Intersect Q What is database?
A database is a logically collection of data with some inherent meaning. To select records from the given row? To delete duplicate records delete from sivaemp where rowid not in select max rowid from sivaemp group by empno.
Explain the difference between trigger and stored procedure. Trigger in act which is performed automatically before or after a event occur when DML operations are occur Trigger is Fire. Stored procedure is a set of functionality which is executed when it is explicitly invoked.
TimeStamp datatype stores everything that Date stores and additionally stores fractional seconds. Date: Timestamp: Q Create a copy of EMP table without any data? Delete the 10th record of EMP table? Find all the departments which have more than 3 employees? Display the manager who is having maximum number of employees working under him?
Display the name of employees who joined on the same date? Delete those employees who joined the company 10 years back from today? Display those employees whose salary is ODD value? Find out the number of employees whose salary is greater than their manager salary? SAL Q Select the count of employees in each dept where count is greater than 3?
Display name of those employees who are getting the highest salary? What is a transaction? What is implicit cursor and how is it used by Oracle?
Top 101+ Oracle Interview Questions and Answers
Are you in hunt for a new job in Oracle 9i? Then we Wisdomjobs have provided you with the complete details about the Oracle 9i Interview Question and Answers. All the Oracle suffix digits indicates the versions of Oracle. So, you should be expertise in oracle to clear the interviews in any oracle related versions jobs. Following oracle 9i interview questions and answers site for quick win in oracle 9i job hunt. Question 1.
Oracle Project Accounting Interview Questions And Answers
Oracle 9i forms are software for creating screens that interact with the database. To clear the oracle 9i forms interview questions and answers, you should be expert in various aspects of the oracle along with the quires related to PLSQL. The job interview questions and answers listed www. Question 1. Answer : No.
Oracle Interview Questions and Answers Pdf
Explore Now! Oracle Interview Questions and Answers provided here are appropriate for both freshers and experienced candidates. By going through this questionnaire, anyone must be able to recognize the questions and explanations provided. All these questions will surely enable you to prepare for technical interviews and online tests which is conducted at the time of campus placement. Referring to the below question and answers, you will be able to get more knowledge on basic and advanced level concepts. Schema objects are tables, views, sequences, synonyms, indexes,databases triggers, procedures, functions, packages.
Question 1. In later patches to Forms 6i , we delivered a brand new manner of jogging Forms at the internet, without the want for a separate Forms Listener process. Question 2. In later patches to Forms 6i , we introduced a new manner of building the begin web page for a Forms software, the Forms Servlet.
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Oracle DBA Questions 1. Synonym, b. Table space, c System server, d Dynamic data replication Ans : D 2. Simple snapshots, b. Complex snapshots, c.
Varchar can store upto bytes and varchar2 can store upto bytes. Both are differed with respect to space. RAW datatype is used to store values in binary data format. The maximum size for a raw in a table in bytes. Example is —. Nested table is a data type in Oracle which is used to support columns containing multi valued attributes.
Вцепившись в левую створку, он тянул ее на себя, Сьюзан толкала правую створку в противоположном направлении. Через некоторое время им с огромным трудом удалось расширить щель до одного фута. - Не отпускай, - сказал Стратмор, стараясь изо всех сил. - Еще чуточку. Сьюзан удалось протиснуть в щель плечо. Теперь ей стало удобнее толкать. Створки давили на плечо с неимоверной силой.
Что ж, пожалуйста. Хватит путаться у нас под ногами, вот моя рекомендация. - Спокойно, Джабба, - предупредил директор.
Уран и плутоний! - воскликнул Джабба, и в его голосе впервые послышались нотки надежды. - Нам нужно установить разницу между этими элементами. - Он повернулся к бригаде своих помощников. - Кто знает, какая разница между этими элементами. На лицах тех застыло недоумение.
- Я все объясню. Она попыталась высвободиться. Коммандер не отпускал .
- Это очень важно. Клушар заморгал. - Я не знаю… эта женщина… он называл ее… - Он прикрыл глаза и застонал. - Как.
Она? - Беккер рассмеялся. Он не заметил в АНБ ни одного существа женского пола.
Отчаянный парень, - пробормотал Хейл себе под нос. Он знал, что задумал Чатрукьян. Отключение ТРАНСТЕКСТА было логичным шагом в случае возникновения чрезвычайной ситуации, а ведь тот был уверен, что в машину проник вирус.
Сейчас ему пришлось это сделать. Скрюченное тело Халохота темнело на тускло освещенной лестнице Гиральды.