TOP-50 MOST IMPORTANT SQL QUERIES How to Use SQL To Work With Data In A Relational Database Today

[bookbestseller]

David B. Parnas, "TOP-50 MOST IMPORTANT SQL QUERIES: How to Use SQL To Work With Data In A Relational Database Today"
English | ASIN : B087R6P8GF | 2020 | AZW | 1 MB
Knowing SQL can help you improve your skills as a developer.SQL is incredibly powerful, and like every well-made development tool, it has a few commands which it's vital for a good developer to know. Here is a list of SQL queries that are really important for coding & optimization. Each of the queries in our SQL tutorial is consequential to almost every system that interacts with an SQL database.TOP-50 MOST IMPORTANT SQL QUERIES ARE :-1. Retrieving Tables2. Selecting Columns from a Table3. Outputting Data - Constraint4. Outputting Data - 'Order By'5. Outputting Data - 'Group By'6. Data Manipulation - COUNT7. Data Manipulation Using SUM8. Data Manipulation Using AVG9. SQL Query for Listing all Views10. Creating a View11. Retrieving a View12. Updating a View13. Dropping a View14. Display User Tables15. Display Primary Keys16. Displaying Unique Keys17. Displaying Foreign Keys18. Displaying Triggers19. Displaying Internal Tables20. Displaying a List of Procedures21. Swapping the Values22. Returning a Column of Values23. SELECT TOP Clause24. Searching for SQL Tables25. Between Monday and Tuesday26. Find Intersection of 2 Tables27. UNION28. Friendly Column Labels29. Always and Everywhere!30. Developer-Friendly SQL31. Database Management32. Adding Tables to Our New DB33. Modifying and Deleting Tables34. Successful Indexing35. Improving Performance36. Conditional Subquery Results37. Copying Selections38. Catching NULL Results39. HAVING can be Relieving!40. Tie things up with Strings!41. Use COALESCE42. Use Convert43. DENSE_RANK()Analytical44. Query_partition_clause45. Last five records from the table46. LAG47. LEAD48. PERCENT_RANK49. MIN50. MAX

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