Useful tips for everyday
What is stream aggregate? The stream aggregate is used to group some rows by one or more columns, and to calculate any aggregation expressions that…
Why is third normal form ( 3NF ) considered adequate? All possible candidate keys in above relation are {A, E, CD, BC} All attribute are…
Does Nvarchar Max take more space? As such, NVARCHAR(MAX) can take up to twice as much physical disk space as a NVARCHAR(1.. 4000) field with…
Why do I need to run DBCC freeproccache? Multiple DBCC FREEPROCCACHE commands can be run concurrently. In Azure Synapse Analytics or Parallel Data Warehouse, clearing…
What do you write in a query? How to write a query letter Use a professional format. Include a heading. Create a strong hook. Write…
What is the maximum size of a database? Database Engine objects SQL Server Database Engine object Maximum sizes/numbers SQL Server (64-bit) Database size 524,272 terabytes…
Can I create a database in Excel? The database capabilities of Excel are very powerful. In fact, not only can Excel be used to create…
Can we connect to multiple database servers in Microsoft studio? You can use the Registered Servers window to create a New Server Group and add…
How do you decompose into 3NF? How to decompose this relation into 3NF relations? Find a minimal basis of F, say G. For each FD…
How to roll up multiple rows into one row in SQL Server? How to Rollup Multiple Rows into a Single Row in SQL Server. Rolling…