Faster for lookups when searching for specific values but less efficient for range queries. Using a combination of both index types optimizes performance for different types of queries. 13) What are SQL Server Reporting Services (SSRS)? SQL Server Reporting Services (SSRS) is a server-based busi...
means. The SQL queries which are used the advanced functionalities to add business logic in the program or to retrieve the specific business related data are called as advanced SQL queries.You can able to learn thecomplex SQL queries,Complex SQL interview questionsand many more things in the ...
INTERSECT returns all distinct rows selected by both queries. MINUS - returns all distinct rows selected by the first query but not by the second. UNION - returns all distinct rows selected by either query UNION ALL - returns all rows selected by either query, including all duplicates. ...
SQL Interview Questions For Freshers SQL Joins SQL Performance Tuning SQL Practice Quiz SQL Tutorials Technology Review Unix Interview Questions Unix Tutorials Tags Basic SQL Queries Complex View difference between simple view and complex view Equi join Inner Join Logical table in SQL Non ...
6. How to capture the long running queries? 7. What is the migration plan to move 300 databases to a new data centre? We can have an hour downtime. 8. In mirroring a connection failure happened between principal and mirror and principal server started filling log space (send queue), how...
People interviewing for jobs where they will be asked to write Select queries Data scientists and data engineers who don’t yet have years of experience with SQL Anyone who wants to upgrade their SQL knowledge Anyone who needs to make sense of massive amounts of data, search for patterns and...
In this presentation we will cover the basics of data storage and querying with SQL Server. We will cover how data is stored in pages and extents and how that translates to data reads/writes with the storage system. Additionally, we will explore how different queries are processed by SQL Se...
Hi, I’m Nick Singh! Before I made DataLemur, I used to write SQL queries and run A/B tests all day atFacebook, and before that, wrote Python onGoogleNest's Data Infrastructure Team. I know first-hand how difficult Data Science, Data Analyst, & Data Engineering interviews can be. ...
SSIS : Execute SQL Task component - Can it handle multiple queries ? SSIS : Package execution completed.Click here to switch to design mode, or select stop debugging from debug menu SSIS : The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine(64 bit) even after in...
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