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Before choosing the RAID (Redundant Array of Independent Disks) we should have a look into usage of SQL Server files. As a basic thumb rule “Data Files” need random access, “Log files” need sequential access and “TempDB” must be on a fastest drive and must be separated from data a...
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With a little bit of advance preparation, you’ll feel prepared and confident on interview day.Looking for interview questions specific to MySQL? Checkout our page on MySQL interview questions as well.New: Sign up for a free SQL mini-course Make sure you're prepared for the interview that ...
Bit datatype is used to store boolean information like 1 or 0 (true or false). Untill SQL Server 6.5 bit datatype could hold either a 1 or 0 and there was no support for NULL. But from SQL Server 7.0 onwards, bit datatype can represent a third state, which is NULL. 5. Define ...
6.What are different types of indexes?(Mostly asked in Interview Questions For SQL) Answer: There are following types of indexes used while Indexing in SQL: 1.Normal index 2.Unique Index 3.Bit Map Index 4.Composite Index 5.B-Tree Index(Oracle considered Normal indexes as B-Tree Indexes) ...
I was all prepared technically and was ready to answer technical questions and hearing this come from them (Who are Experts in the Database Administration field) melted my heart. I was not expecting this at all. We also had technical discussions and it was a great interview with each of ...
More System Design QuestionsAdditional exercises can be found in system-design-notebook repository.HardwareWhat is a CPU? A central processing unit (CPU) performs basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions in the program. This contrasts ...
1、查询“001”课程比“002”课程成绩高的所有学生的学号; selecta.S#from(selects#,scorefromSCwhereC#='001') a,(selects#,score fromSCwhereC#='002') b wherea.score>b.scoreanda.s#=b.s#; 2、查询平均成绩大于60分的同学的学号和平均成绩; ...
4. What are thebasicsoftware requirements for installingSQLServer 2005? Ans: Microsoft Windows Installer 3.1 or later Microsoft Data Access Components (MDAC) 2.8 SP1 or later Microsoft .NET Framework 2.0 Software Development Kit (SDK) Microsoft .NET Framework 2.0 (Installed Automatically) ...