These kinds ofSQL interview questionsconfuse the candidate at times. So, coming to the question, there are three different kinds of operators available in SQL. They are: Arithmetical operators Logical operators Comparison operators 4) Are the terms zero or blank space the same as that of NULL v...
而在现场面试（onsite interview）中，SQL 的考察大幅减少，取而代之的是Python。这显示出大厂越来越注重...
20. A SSIS package failed how to know the exact row number at which the package failed to process? IBM interview questions,ibm sql server interview questions,infosys interview questions,infosys sql server interview questions,L&T interviewMicrosoft Interview Questionsmicrosoft sql server interview questions...
In my previous articles I have explained theSQL interview questions ,BI Interview questionswhich will give the best idea about the question that may ask in interview. In this article i will try to explain most important PL/SQL Interview Questions that may ask in interview.PL/SQL is the Proced...
Since view are created when a query requesting data from view is triggered, its bit slow When views are created for large tables, it occupy more memory . SQL Interview Questions and answers on Stored Procedures and Triggers What is a stored procedure?
在2024 年的面试中,SQL 主要集中在电话面试阶段(phone interview),而在现场面试(onsite interview)中,SQL 的考察大幅减少,取而代之的是Python。这显示出大厂越来越注重候选人实际的数据处理能力,而不是简单的数据提取能力。这些公司不仅仅包括谷歌和 Meta,还包括像 Roblox、DoorDash 这样的新兴独角兽。 因此,掌握了...
This one is a bit trickier, and is an interesting database design question. Generally, one-to-many relationships are structured using a single FOREIGN KEY. Consider our example of customers and orders above: CREATE TABLE customers ( customer_id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, first_na...
Installing SQL Server Interview Questions and Answers Here are listing out few question and answers on installing sql server, lets go through these questions. 1.What are the components installed with the SQL Server 2005 installation? Ans:
A DB query is a code written in order to get the information back from the database. Query can be designed in such a way that it matched with our expectation of the result set. Simply, a question to the Database.What is subquery?
pr_isleafBITNOTNULL)CREATETABLEdbo.tb_order ( or_noNVARCHAR(50)NOTNULL, pr_idINTNOTNULL, or_quanityINTNOTNULL, pe_idNVARCHAR(50)NOTNULL)CREATETABLEdbo.tb_period ( pe_idNVARCHAR(50)NOTNULL, pe_orderNVARCHAR(50)NOTNULL, pe_startdateDATETIMENOTNULL, ...