PHP-MySQL InterviewQuestionLast few days I havebeen working to compile a question and answer set for PHP-MySQLinterview questions. There are roughly 150 questions and i will be adding more as days to come.These questions and answers are compiled from different online resources. I am planning ...
首先,我们需要创建一个数据库和一张数据表来存储笔试题和答案。可以使用以下代码创建一个名为interview的数据库和名为questions的表: CREATEDATABASEinterview;USEinterview;CREATETABLEquestions(idINTPRIMARYKEYAUTO_INCREMENT,questionTEXT,answerTEXT); 1. 2. 3. 4. 5. 6. 7. 8. 9. 以上代码创建了一个名为in...
Instant Feedback:Receive immediate feedback on your performance with detailed explanations for each question, ensuring a learning experience with every attempt. Explore More Resources In addition to our MySQL MCQ test, we offer a plethora of resources to support your learning journey: Interview Questi...
首先单机数据库所能承载的连接数、I/O及网络的吞吐等都是有限的,所以当并发量上来了之后,数据库就渐...
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1. https://haicoder.net/note/mysql-interview/mysql-interview-optimistic-pessimism-lock.html 低谷...
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function get_answer { # unset ANSWER ASK_COUNT=0 # while [ -z "$ANSWER" ] #当没有人回答时,继续问 do ASK_COUNT=$[ $ASK_COUNT + 1 ] # case $ASK_COUNT in #如果用户在分配的时间内没有回答 2) echo echo "Please answer the question." ...
select question_id as survey_log from SurveyLog group by question_id order by count(answer_id) desc, question_id asc limit 1 如果考虑到 answer 和 show 的次数为多次,我们可以先计数两个频数,然后再相除就出比率。 # Write your MySQL query statement below select question_id as survey_log from ...
MARCH 14, 2024 Databases Relational databases likeMySQLare connected to learning management systems. Answer: Common technologies include programming languages like Python, Java, or PHP, frameworks such as Django or Laravel, and databases likeMySQLor PostgreSQL. You can develop learning management system ...