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PL/SQL Interview Questions


PL/SQL Interview Questions

Questions: 236
Comments: 957
 PL/SQL Tags
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DBMS, Pointer
 Showing Questions 51-60 of 236 Questions
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 PL/SQL Interview Questions
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Latest Answer: OCI stands for Oracle Call Interface, it is a interface api used to access oracle database from C programs. Data Guard stands for it is multiple DB servers enviornment configured for Physical as well as Logical Standby Databases. And Oracle Advance Queueing ...
Read Answers (1) | Asked by : Kalyan
Latest Answer: We should use Exists or In based on the no of records inner and outer query is expected to return.Using Exists : Here the outer query is executed first and then inner query is excecuted for each value of outer query. So use this when outer query contains ...
Read Answers (9) | Asked by : Sachin Gadakri
How to reduce the the burden/main memory on database if i am using refcursor to hold large data to increase performance.
Read Answers (1) | Asked by : monu
View Question | Asked by : rishamjeet
Latest Answer: SQL (Structures Query Language)PL/SQL (Procedure Language / SQL) is the Oracle's version with lots of additional proprietary functions.T-SQL : Transact-SQL is Microsoft's proprietary version of SQL. ...
Read Answers (1) | Asked by : raafay
When using a count(distinct) is it better to use a self-join or temp table to find redundant data, and provide an example?
View Question | Asked by : hindol_saha
Latest Answer: Application trigger: Fires whenever an event occurs with a particular application  Database trigger: Fires whenever a data event (such as DML) or system event (such as logon or shutdown) occurs on a schema or database ...
Read Answers (2) | Asked by : RAJASEKARAN
Latest Answer: With the Oracle-supplied UTL_FILE package, you can read from and write to operating system files. It Provides security for directories on the server through the init.ora file. UTL_FILE Procedures and Functions:• Function FOPEN• Function IS_OPEN• ...
Read Answers (2) | Asked by : kartheek
Latest Answer: Hi,    Please find the explanation below....CURSOR A cursor is a variable that runs through the tuples of some relation. This relation can be a stored table, or it can be the answer to some query.  A cursor can be used in realtime when ...
Read Answers (1) | Asked by : gouri sankar rath
What is the difference between private packages and public package . what is the difference in declaration of these 2 packages.
Read Answers (2) | Asked by : Chanukya Kumar
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