expdp : Exporting datadump in Oracle 11g
The export can be done in two ways from local machine from Server From Local MachineFor Windows operating system Follow […]
OLAP vs OLTP vs Datawarehouse Database
There is nothing about the database itself that “makes” it an OLAP, or a DW, or an OLTP.That is all
DBMS_UTILITY.FORMAT_ERROR_BACKTRACE in PLSQL
In Big/complex applications, it is essential to call Sub-programs (Procedures/Functions) from other sub-programs. In that case it will be difficult
Histograms in Oracle for Table Columns
Histogram:A histogram is a special type of column statistic that provides more detailed information about the data distribution in a
ORA-30926: unable to get a stable set of rows in the source tables
We will get this when we are trying to update a row in a table, for which there will be
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ORA-06502: PL/SQL: numeric or value error
We may get this error, when we try to assign a value to a variable which is bigger than the
Finding characters in a string (VARCHAR-VARCHAR2) column
Compile the following Function in Oracle Database by copying it and Pressing F5 or F9 create or replace function test_num
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Toad and SQL Developer shortcuts for Database Developers
S.No. Shortcut Functionality Toad SQL Developer 1 Ctrl + Enter Ctrl + Enter Executing Query or selected script (multiple queries
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Function to display reverse string of the given string in PL/SQL
CREATE OR REPLACE FUNCTION rev_str_f(str VARCHAR2) RETURN VARCHAR2ISv_str VARCHAR2(10); –you can specify your own sizev_str_rev VARCHAR2(10); –specify same size as
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Difference between REPLACE and TRANSLATE in SQL?
Replace will replace the character or string with the given character/string for every occurrence of the character/string.Translate will replace the
Difference between REPLACE and TRANSLATE in SQL? Read More »