What is nosql vs sql?
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Is record in pl sql?
display null value rows with out using null function?
How to delete same emp id in sql query for exmaple in emp table emp id, empname, emp address. for example emp id =5, repeated in two times in rows same id how to delete same empid please any one of the write query send in my id
What is a variable in sql?
Which clause of an UPDATE statement allows you to affect only certain rows of a table? 1. The WHERE clause 2. The SET clause 3. The ROWS AFFECTED clause 4. The ORDER BY clause
Write a query to genarate target column.Please answer me. Advance Thanks. Src Tgt Q10 Quarter to 2010 Q90 Quarter to 1990 Q80 Quarter to 1980 Q74 Quarter to 1974
What do we need to check in database testing?
How is indexing done in search engines?
C. Normalize the following data up to the 3rd Normal form. Create the tables and insert the data given. Emp_ID Name Dept_Name Salary Course_Title Date_Completed 100 Adam Marketing 48,000 SPSS 6/19/2008 Surveys 10/7/2008 140 Bob Accounting 52,000 Tax Acc 12/8/2008 110 Cathy IT SQL Server 1/12/2008 C# 4/22/2008 190 Dan Finance 150 Emily Marketing 55,000 SPSS 6/16/2008 42,000 Analysis 8/12/2008 Queries 1. Find all Names who have completed the SPSS Course. 2. Find employee with max salary. 3. Find employee with 2nd max salary. 4. Find all employees in Dept “Marketing”. 5. Find all the employees who have taken more than 2 courses. 6. Find all the employees who have completed the courses before month of September.
How do I add a primary key to a table?
How to place comments in pl/sql?
I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...