What is a ddl command?
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Is big data nosql?
i have one table with accounts and amounts as colums.accounts with columns c and d. and amounts with values 1000,2000,3000 for c and 4000,5000,8000 for d.i need to find the sum of these accounts c and d individually and find the differences between their sum using one select statement.
What are the subsets of sql?
what happens if null values are involved in expressions? : Sql dba
What is the difference between having and a where in sql?
How do you write an inner join query?
How do I count duplicates in sql?
Explain ttitle and btitle.
How are functions and procedures called in PL/SQL?
What is partition by in sql?
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
Which language is used in sql?