Here is an indepth, personal interview with Steven Feuerstein, the author of several books on how to deal with PL/SQL programming against Oracle databases; a powerful tool in our day-to-day work with Oracle: A
2). 显示游标是用cursor...is命令定义的游标,它可以对查询语句(select)返回的多条记录进行处理;隐式游标是在执行插入 (insert)、删除(delete)、修改(update)和返回单条记录的查询(select)语句时由PL/SQL自动定义的。 3). 显式游标的操作:打开游标、操作游标、关闭游标;PL/SQL隐式地打开SQL游标,并在它内部处理...
30. Name two files used for network connection to a database. TNSNAMES.ORA and SQLNET.ORA fromhttp://www.orafaq.com/wiki/Interview_Questions
1_ORACLE 面试题及其答案(1_ORACLE interview questions and answers) 1_ORACLE 面试题及其答案(1_ORACLE interview questions and answers) 21. How do I determine the time zone for the database? Answer: SELECT, DBTIMEZONE, FROM, DUAL; 22. Explain the usefulness of GLOBAL_NAMES as TRUE Answer: ...
You can use it to practise and improve your Oracle PLSQL skills. You can use it as an online Oracle PLSQL training tool for students and teachers. You can use it as an online tool for Oracle PLSQL exercises and interview preparation. ...
Browse top Oracle PL/SQL Developer talent on Upwork and invite them to your project. Once the proposals start flowing in, create a shortlist of top Oracle PL/SQL Developer profiles and interview. Hire the right Oracle PL/SQL Developer for your project from Upwork, the world’s largest work...
● 隐式游标是在执行插入(insert)、删除(delete)、修改(update)和返回单条记录的查询(select)语句时由PL/SQL自动定义的。 ● 显式游标的操作:打开游标、操作游标、关闭游标;PL/SQL隐式地打开SQL游标,并在它内部处理SQL语句,然后关闭它。 4、Oracle中字符串用什么连接?
Oracle DBA Job Interview Questions and Answers 1 :: When using Oracle export/import what character set concerns might come up? How do you handle them? Be sure to set NLS_LANG for example to "AMERCIAN_AMERICA.WE8ISO8859P1". If your source database is US7ASCII, beware of 8-bit ...
Oracle APEX interview questions – APEX-related examples: What is Page Zero in Oracle APEX? What are Collections in APEX? Could you give some usage examples? What would you call APEX Items in APEX, in PL/SQL, and in JS? How would you connect an Oracle APEX application to Active Directory...
Acing the System Design Interview By zhiyong tan 472 pages Manning PublicationsJanuary 2024 The system design interview is one of the hardest challenges you’ll face in the software engineering hiring process. This practical book gives you the insights, the skills, and the hands-on practice you ...