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This course has been intended for programmers and testers who want to master SQL interview questions and answers.Most of the modern applications create data in a backend database and hence knowing SQL is an essential skill for everyone. The course covers a number of questions and answers in the following areas1) Databases2) Various types of Database Management system3) Different types of SQL statements - DDL, DML and DCL statements4) SQL introduction5) Creating tables6) SQL Data types7) SELECT INTO operations8) Conditional SELECT operations9) DELETE ALL and Conditional DELETE operations 10) DELETE and TRUNCATE operation comparison11) DROP table operations 12) Data Integrity and constraints 13) Column level and Table level primary Keys14) Creating Unique keys15) Various types of check constraints16) Nullable columns17) Aggregate functions 18) SQL statements to address different goals 19) Displaying schema of tables20) What are JOINS? 21) Different types of JOINS - Inner Join, Left Outer, Right Outer and Full Outer Joins22) What is SELF and Cross Joins?23) Displaying System Date and time 24) Displaying server and database names 25) Various string operations - Substring, CHARINDEX, Concatenation etc26) Creating an empty table from an existing table27) LEFT, RIGHT operations 28) What are indexes? 29) Describe Clustered indexes30) Non-clustered indexes and difference from Clustered indexes31) Describe Unique Indexesand many more.

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