Sql indexing interview questions
http://udayarumilli.com/sql-server-performance-tuning-interview-questions-part-2-indexes/ Web17 Dec 2014 · sql server performance tuning interview questions Performance Tuning – SQL Server Part -2 – Indexes Q. What are the primary differences between an index reorganization and an index rebuild? Ans: Reorganization is an “online” operation by default; a rebuild is an “offline” operation by default Reorganization only affects the leaf level of an …
Sql indexing interview questions
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Web29 Advanced MySQL Interview Questions Developers Must Know Before Tech Interview. MySQL 60. MySQL has emerged as the most popular SQL-based RDBMS in 2024 with almost 40% of users opting for this platform. It is widely used as a stand-alone database solution as well as in combination with other solutions such as MongoDB and PostgreSQL. WebQ => Write a SQL statement create a table 'students' with column 'id' of type 'int' and 'date_of_birth' where 'date_of_birth' should not be less than 2000 and not more than 2010. of type 'int'. 'id' should not be null. 9. What is a trigger in SQL Server? The trigger is a special type of stored procedure.
Web70 More Oracle Interview Questions. Here are 70 more Oracle interview questions: Why do you want to work for Oracle? What do you know about our company? Why did you choose … Web10 Mar 2024 · Unique Indexes: Unique indexes are used for the maintenance of the integrity of the data present in the table as well as for fast performance, it does not allow multiple …
Web29 Sep 2024 · Question 11: Explain the variables of SQL. During SQL interview questions you need to know that In SQL, there are two different variables - local and global. Local variables are those which can only exist in one, single function. Opposite to that, global variables may be located through ought the entire program. WebUnique indexes can also be created using db.collection.createIndex({“key” : 1} , ); 10. What is BSON? BSON or binary JSON is the binary encoded format of JSON. It extends JSON and provides more data types and fields. ... If you are looking for more no-SQL-database-based interview questions, here is a great course: ...
Web29 Nov 2024 · 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 should use unique index. 2.Especially while creating the table if we specify the primary …
Web6 Dec 2012 · These are some interview questions and answers asked during my recent interview. Oracle interview questions are very important during any programming job interview.The interviewer always wants to check how comfortable we are with any database either we go for the Java developer position or C, C++ programmer position. So here I … metal roof over front porchWebHere are the collection of SQL indexes Interview Questions or Database indexing interview questions 1. What is an index? 2. What kind of data structure is an index? 3. How does a hash table index work? 4. What are … metal roof over asphalt shinglesWeb1. Client-Server Constraint: This is the first constraint. This constraint specifies that a Client sends a request to the server and the server sends a response back to the client. This separation of concerns supports the independent development of both client-side and server-side logic. how to a balloon archWeb1 Nov 2024 · This latest tip will highlight more T-SQL-related questions. Other parts of this series can be found here: ETL Interview Questions for the Microsoft Data Platform - Part 1. ETL Interview Questions for SSIS and ADF - Part 2. ETL Interview Questions for the Microsoft Data Platform on Performance, Troubleshooting, and more - Part 3. metal roof or shingle roof betterWebBelow is the top Advance SQL Interview Questions that are asked frequently in an interview: 1. What is a Synonym? Answer: A synonym allows you to create alternate names for objects inside of the database. If an object is renamed, or the schema of an object is changed, a synonym can allow existing applications to continue to use the old names. metal roof over bay windowWeb29 Nov 2024 · SQL Interview Questions What is the difference between SQL and MySQL? What are the different subsets of SQL? What do you mean by DBMS? What are its … metal roof over purlinsWebIf you are just beginning in this industry and are preparing for an upcoming interview, these advanced SAS interview questions for beginners will help you prepare better. 1. What are some functions that the SAS performs? Ans: Some of the functions performed by SAS include: Project management and data management Statistical analysis Data warehousing how to abandon a local commit