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Structure Query Language (SQL) Tutorials

  1. Introduction to Structure Query Language (SQL)
  2. SQL Comments
  3. SQL Data Types
  4. SQL Arithmetic Operators
  5. SQL Constraints
  6. SQL Transactions
  7. SQL Views
  8. SQL USING Clause
  9. SQL WITH Clause
  10. SQL WITH TIES Clause
  11. Transactions (Properties and Control Commands) in SQL
  12. What are the clause, Keywords and statement in SQL?
  13. SQL | DDL, DML, TCL, and DCL Commands
  14. SQL - CREATE Command (to create Database and Table)
  15. SQL - SELECT Command (to retrieve data from table/view)
  16. SQL - DELETE Statement (to delete records/table)
  17. Difference between Delete and Truncate Command in SQL
  18. Difference between Drop and Truncate Command in SQL
  19. SQL - INSERT INTO Statement (to insert/add record into table)
  20. SQL - UPDATE Statement (to update record in table)
  21. SQL - ALTER TABLE statement (to modify table definition)
  22. SQL - WHERE Clause (to filter data)
  23. SQL - VIEW AND DUAL
  24. SQL - GROUP BY and ORDER BY
  25. SQL - HAVING Clause
  26. SQL INDEX - To speedup data retrieval operations
  27. Transactions (Properties and Control Commands) in SQL
  28. SQL - Explain VIEW with Examples
  29. Wildcard Operators in SQL
  30. Wildcards Examples in SQL
  31. Implement CREATE VIEW in SQL
  32. How to use UNION in SQL?
  33. Temporary tables in SQL
  34. How can we use Sub Queries in SQL?
  35. Clone data between tables in SQL
  36. How to handle duplicate data in SQL?
  37. Alterations on table in SQL
  38. Using TRUNCATE TABLE in SQL
  39. Sort resultSet using ORDER BY clause in SQL
  40. SQL query to find duplicate records
  41. SQL query to join two tables
  42. SQL query to delete duplicate records
  43. SQL query to change column name
  44. SQL query to add values in column
  45. SQL query to add primary key
  46. SQL Query to alter column size
  47. SQL Query to auto increment primary key
  48. SQL Query to avoid duplicate records
  49. SQL Query to access first and last N records from a table
  50. SQL Clauses
  51. Transaction Control Language (TCL) commands in SQL
  52. SQL Alias
  53. Difference between WHERE and HAVING clauses in SQL
  54. SQL Joins Tutorial with Queries and Examples
  55. How to use AND/ OR Operator in SQL?
  56. Use of Injection in SQL
  57. SELECT TOP with Example in SQL
  58. IN Operator with Example in SQL
  59. How to use Foreign Key in SQL?
  60. Use of CHECK Constraint in SQL
  61. Use of DEFAULT Constraint in SQL

SQL Functions

  1. NULL VALUES and NULL FUNCTIONS in SQL
  2. Use of LEN(), ROUND() functions in SQL
  3. Use of DATES and its different built-in functions NOW(), FORMAT() in SQL
  4. Use of UCASE(), LCASE() and MID() functions in SQL

SQL Queries

SQL Multiple-Choice Questions (MCQs)



TOP Interview Coding Problems/Challenges


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