What is the difference between row level and statement level trigger?
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What are the types of subqueries?
What is synonyms?
What SQL keyword must immediately follow the UNION ALL statement? 1. SELECT 2. INTO 3. ORDER 4. WHERE 5. JOIN
What is cursor and why it is required?
What are types of joins?
Which data type is a composite type?
I have one Excel file with 1,50,000 Records. Now I need to load that whole file into Oracle Database with same columns in Excel sheet . I need PLSQL Procedure or used by SQL PLUS
What are sql*plus environment variables?
What is cold data?
have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.
Write a query to get 2nd maximum salary in an employee table ?
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Does inner join remove duplicates?
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