How does sql store data?
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What does := mean in pl sql?
How many types of normalization are there?
Is hadoop a nosql?
Which is better join or inner query?
What is the difference between row level and statement level trigger?
What is the process of debugging?
what is a database transaction? : Sql dba
What is %type in pl sql?
i have xml source. xml source having lacks of records. i want extract/retrive xml source data using sql query. please tell me how to write query.
What are local and global Indexes and where they are useful.
Why self join is used in sql?
SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual;