Sql Server Developer Job Interview Questions
- Sql server developer job interview questions and answers pdf
- Sql server developer job interview questions to ask employer
- Sql server developer job interview questions and answer
CREATE TABLE ##tempGlobal ( nameid int, fname varchar(50), lname varchar(50)) Once created, these tables are used just like permanent tables; they should be deleted when you are finished with them. Within SQL Server, temporary tables are stored in the Temporary Tables folder of the tempdb database. How are transactions used? Transactions allow you to group SQL commands into a single unit. The transaction begins with a certain task and ends when all tasks within it are complete. The transaction completes successfully only if all commands within it complete successfully. The whole thing fails if one command fails. The BEGIN TRANSACTION, ROLLBACK TRANSACTION, and COMMIT TRANSACTION statements are used to work with transactions. A group of tasks starts with the begin statement. If any problems occur, the rollback command is executed to abort. If everything goes well, all commands are permanently executed via the commit statement. What is the difference between a clustered and a nonclustered index?
Sql server developer job interview questions and answers pdf
Sql server developer job interview questions to ask employer
Sql server developer job interview questions and answer
Each table can only have a single clustered index. Non-Clustered Index: It does not alter the physical order of the table and maintains a logical order of the data. Each table can have many nonclustered indexes. 14. Define INSERT, UPDATE, DELETE. INSERT is used to insert the values in a particular table of the database. UPDATE is used to update the modify the existing values in a specific table. DELETE is used to delete the stored values from a specified table. 15. Write a SQL query to display the current date? SQL has a built-in function to return the current timestamp/date i. e. GetDate(). Related Articles: Top 15 Php MySQL interview questions 15 Frequently Asked Pl SQL interview questions
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- Sql server developer job interview questions to ask employer
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- Sql server developer job interview questions to ask