The use of comparison operators like <,> or = can be done in a subquery. These kinds ofSQL Interview Questionsare a bit difficult to understand and answer accordingly. There are a lot ofSQL Interview Questionsapart from this, which the candidates must practice qualifying for the interview. Fo...
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The Private Bytes counter measures the memory that is currently committed. The Working Set counter measures the physical memory that is currently occupied by the process. For 64-bit sql servers we can also check the current memory usage using the below performance counter. Performance object: SQL ...
(90% asked PL SQL Interview Questions) Answer: 1.To create unique index you must have CREATE ANY INDEX privilege.Here the concept is bit different.User needs to check the values of the table to create unique index.If table contains uniquely identified values in specified column then you shoul...
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?
If you've got an SQL interview coming up, you'll almost certainly be asked about JOIN clauses. Make sure you're prepared by practicing these 5 tough questions on JOINs in advance.
(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) 6.Function Based Index 7.Clustered ...
To combat this problem, one of the drives stores a "parity" bit. Think of a math problem, such as 3 + 7 = 10. You can think of the drives as storing one of the numbers, and the 10 is the parity part. By removing any one of the numbers, you can get it back by referring to...
However, knowing how to use them when facing a business problem is another pair of shoes. These shoes need a bit of breaking in. The next three interview questions should help you with that. 1. Average Weight of Medal-Winning Judo
25 Advanced SQL Interview Questions for Data Scientists - Oct 18, 2022. Check out this collection of advanced SQL interview questions with answers. SQL How to Get Up and Running with SQL – A List of Free Learning Resources- Oct 7, 2022. ...