Why cursor variables are easier to use than cursors?
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I have two tables : COuntry,city I want all the cities in each country.Question on Cross Join.
while i take backup using ibm tsm the following errors occurred: rman-03009 ora-19513 ora-27206 ora-19502 ora-27030 ora-ora19511
What is the recommended interval at which to run statspack snapshots, and why?
What is define in oracle?
1) What is dense ranking? 2) Difference between Substring and Instring? 3) Case and Decode? 4) Pseudo column? 5) View vs Materialized views? 6) SQl performance tuning?
Give the constructs of a package, function or a procedure.
What is difference between UNIQUE constraint and PRIMARY KEY constraint ?
State the difference along with examples between Oracle 9i, Oracle 10g and Oracle 11i.
I need to get the values of the previous quarter.how to do this?eg: if my cuurent month is may i need to get the datas of the month jan,feb,march.Can it be done in oracle.I tried with date function q but for the month jan its not retriving the previous quarter(oct-dec).how to solve this.plpz anyone help me?
How to do a full database export?
There are n numbers of flatfile of exactly same format are placed in a folder.Can we load these flatfile's data one by one to a single relational table by a single session??
Explain the use of record option in exp command.