What are the tools for Oracle ?
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what is difference between foreign key and reference key
What is Private Database Link ?
Explain the use of tables option in exp command.
What are the components of physical database structure in the Oracle database?
can anyone help me ? an index has been done on the primary key of a table. an update operation was performed on that table. now my question is 1> what abt the performance ? means faster or slower due to indexing ? 2> does the operation affect to the primary key constraint ?
what is the exact diiference between DBMS and RDBMS
How to calculate date and time differences in oracle?
how do u setup a replication site?
What is integrity and what is constraint??Explain with example
What are the Referential actions supported by FOREIGN KEY integrity constraint ?
difference between truncate and delete ,drop?
What is the effect of setting the value "CHOOSE" for OPTIMIZER_GOAL, parameter of the ALTER SESSION Command ?