Can you sum a count in sql?
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What is difference between pl and sql?
How many subqueries can be nested in a statement?
i have a table t1 a math 20 b phy 30 cchemisty 10 a math 40 b phy 23 c che 21 a math15 bphy 33 c che 56 write a quire to find out the max markr of each subject
What is numeric function sql?
What is sql comments?
I have a table with 1 million records out of which 10,000 records are of unique records, then if I will implement index, then which type of index shall I use and why shall I use?
What does sql stand for?
a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.
what is data manipulation language? : Sql dba
What is a merge query?
Does truncate need commit?
What do you mean by query optimization?