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Oracle Database Development interview questions, I did not do the test at that time, now with the original questions and answers, oracle Test 1, ID123567810111215 Table Name tt. use SQL to find the non-consecutive IDs in the ID column, for example, 4 which does not exist: -- Create table and data create table tt (id in

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, to find a vague problem, should try to stand in multiple angles to look at the problem, standing in the user's perspective to consider the impact of the problem. Look at the seriousness of this problem and the cost of repairing it in the development perspective. Explain to the developer how this problem affects the user. This will develop a harmonious relationship.Test the knowledge points to be mastered1. Understanding the nature of testing2. To le

First step: Find all files in the/oldboy directory and its subdirectories that end with the extension. shFind all Files:[Email protected] oldboy]# find/oldboy/-type f/oldboy/t.sh/oldboy/test.sh/oldboy/test/del.sh/oldboy/alex.txt/ Oldboy/oldboy.txtFind all files ending with. sh[Email protected] oldboy]# find/oldboy/-ty

This article prepares 70 shell script interview questions and answers, and shell scripts are the skills that must be mastered in Linux work.1 How can I pass parameters to a script?./script argumentExample: Display file name script./show.sh File1.txtCat show.sh#!/bin/bashCat $2 How do I use parameters in a script?First argument: $, second argument: $Example: The script will copy the file (arg1) to the destination address (ARG2)./copy.sh file1.txt/tmp/C

without any further introductionBasic entry-level questions, you can easily find a large number of results through the search engineThe Forum has discussed many times.Other answers may not be answered. [chs8]TEST 11: Which of the following is the correct method if someone finds language provocative or uncomfortable?Discuss with other topicsArgue with the other p

some time ago because to participate in a written test, during the preparation of the online found two articles on the written topic, one of the In the process of finding these answers, I recorded the relevant answers and formed the following things. Need to explain that the following answer must have a lot of incomplete or even wrong place, need you to correct a

The original link: "7 common characteristics of efficient programmers" https://www.oschina.net/translate/seven-traits-of-effective-programmers Finding answers through research is not just a matter of typing a few keywords into a search engine, or posting a question to a Web site like stack overflow or MSDN forums. I had a problem with the search engine that couldn't find the answer, and then I didn't hav

On the Internet to find a database backup class, but do not know how to use, ask for answers Original article Address: http://blog.csdn.net/j_bing/article/details/23124475 Can you tell me how to quote this class? Do not know how to swallow Ah! /**file:dbbackup.class.phpDatabase backup class file, the backup file is placed in the/backup directoryPackage:sql*/Date_default_timezone_set (' PRC '); Setting th

After the final exam bored in the test paper library. Then Cy came to my bedroom, remind me to get an automatic in Excel to find the answer to the program, he gave the idea immediately after the start of work.The so-called question Bank with our school features is to download Excel forms, homework and test questions are on the page, we want to

I'm bored when I finish the final exam. CY then came to my bedroom and reminded me that I could develop a program to automatically find the answer in excel. after giving his ideas, he started work immediately. The question Library with the characteristics of our school is to download an excel worksheet. the assignments and questions are all stored on the webpage. we need to find

the location of a control to be accurately displayed on the Windows system (only the anchor child controls will be affected) If mounted on an object, then he can attach the object to the corner or edge of the screen. 3.UIPanel is used to collect and manage the components of all the widgets under it. Create the actual draw call from the widget's geometry. Without a panel, nothing can be rendered, and you can think of UIPanel as renderer.96: An object that can be accessed with a foreach

("Too big, a little bit smaller");}else{System.out.println ("Congratulations on your guess right");Break}System.out.println ("remaining" + (10-A) + "Second Chance");}while (true);}}　　4. use a double loop to print all the primes between the 2~200. public class Text {public static void Main (string[] args) {for (int i = 2; i Boolean A = true;for (int j = 3; J if (i%j==0) {A = false;Break}}if (a) {System.out.println (i);}}}} An int array is known to arr = {12,4,22,11,24,9}, finding the ma

using the WSF file formatC. Import using the IXF file formatD. Import using the WSF file format6, if the use of circular logging, auxiliary log files when assigned?A, when the database was establishedB, when the database server startsC, when neededD, the above are not 7. The default database log file type is:A, Circular LogB, Archival LogC, Primary LogD, secondary log8, the following kind of isolation level for read-only operation is not locked on the data line?A, RRB, RSC, CSD, UR9. Which of t

Server and so on.2. Under the premise of not destroying the 1 deployment, also use Oldboy user to complete multiple keys to a lock (B,c key, a lock)-Free landing deployment as follows:B---------->aC---------->aNote: This topic is used in the production environment, data backup, etc., but the production environment this way is recommended to be implemented by the daemon process.The goal of the final realization is, 1, 22 topics to achieve two-way password-free authentication login.3. If you incr

(==–===) ------------------------------------------------------------------------------ 4.split () join () the difference? The former is the form of cutting the array, the latter is the conversion of arrays to strings ------------------------------------------------------------------------------ 5. Array method Pop () push () unshift () Shift ( ) Push () tail add pop () tail deleteUnshift () head add Shift () head Delete --------------------------------------------------------------------------

Common Android test questions and Answers (detailed collation)1. Please describe the activity life cycle.Answer: as shown in. There are seven periodic functions, in order: OnCreate (), OnStart (), Onrestart (), Onresume (), OnPause (), OnStop (), OnDestroy ().OnCreate (): Called when an activity is created, set in the method, and provides access to any previously stored state in the form of bundles.OnStart

PHP beginners can test their abilities and obtain comprehensive answers ~. PHP entry-level CODER self-test question description: This test scored 100 points, involving a comprehensive WEB (Php direction) knowledge, 90 points pass. BY: PIG2009.07.14 this question was issued once, now sort it out, PHP entry-level CODER s

-- the query status is as follows. select *, order00 = (select count (distinct grade) from training where grade> =. grade and course =. course) from training a order by courseid, order00 -- sql2005 implementation method. select *, dense_rank () over (partition by courseid order by grade DESC) as [dense_rank] From training order by courseid -- Solution 13 select courseid [course Id], max (course) [Course name], AVG (grade) [average score], cast (sum (case when Grade -- Solution 12 select cour

C ++ project: Answers to questions about small test cyclesProject-test cycle] Write out the program for solving the following task. [Note: m is a variable, input in the program](1) Calculate the sum of squares from 1 to m.(2) Calculate the sum of all the odd numbers between 1 and m.(3) Calculate the reciprocal sum of 1 to m, that is 1 + 12 + 13 + 14 +... + 1