Can a primary key be a foreign key?
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what is the command used to fetch first 5 characters of the string? : Sql dba
1) Synonyms 2) Co-related Subquery 3) Different Jobs in Plsql 4) Explain Plan 5) Wrap 6) Query Optimization Technique 7) Bulk Collect 8) Types of index 9) IF primary key is created then the index created ? 10) Foreign Key 11) Exception Handling 12) Difference Between Delete and Trunc 13) Procedure Overloading 14) Grant Revoke 15) Procedure Argument types. 16) Functions. 17) Joins
First round ------------------- - Procedure - Packages - Views - Virtual tables - Can we use dcl with in function? - Joins and few scenarios - Triggers and its type - Pragma, type and its functionality - How to create db link in oracle - Materialized view - How to find duplicate values from table? - Cursor and its functionality - Write a script to display friday and its date from a entire year. - Exception Handling Second round ------------------------ Gave a scenario like. Need to write a function to perform. When user try to change a password. It must not be last five password and a given password can be combination of characters, symbols, upper and lower case.
What are the constraints available in sql?
Why stored procedure is better than query?
What is the difference between between and in condition operators?
What is microsoft t sql?
What operators deal with null?
what is the difference between implicit conversions and explicit conversions?
What are the different dml commands in sql?
What is sql dialect?
What is on delete set null?
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