Difference between cartesian join and cross join?
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in account table account type amount ac1 credit 300 ac2 debit 5000 ac3 credit 3000 ac1 debit 4000 ac3 debit 2000 ac2 credit 4000 write a query how to get sum of credit & sum of debit
what is data abstraction
How would you change old and new values in an insert, delete and update triggers?
what is primary key and foreign key when and where have to use
Can we create more than one index on particular column?
Explain about integrity constraint?
Which database is better for os platform dependency?
write a sql query following source looking like below column1 column2 101,102,103 abc,def,ghi 1001,1002,1003 a,b,c i want the output column1 column1 101 abc 102 def 103 ghi 1001 a 1002 b 1003 c
what are different types of locks?
What does sharding mean?
What is a Redo Log ?
Difference between hot backup vs. Cold backup?