What is an index associated with a constraint?
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How to insert a new row into a table in oracle?
Q1:code to connect to sql server(database) through jdbc application. Q2:code to connect to Mysql(database) through jdbc application. Q3:code to connect to oracle(database) through jdbc application.
What is the dynamic sql in oracle?
Is insert autocommit in oracle?
what is the dual table in oracle?
How to delete all rows a table in oracle?
How to upsert (update or insert into a table)?
What is SQL access advisor in Oracle?
What are the oracle built-in data types?
How can we manage the gap in a primary key column created by a sequence? Ex:a company has empno as primary key generated by a sequence and some employees leaves in between.What is the best way to manage this gap?
what is index?
Explain implicit cursor.