Oracle

5 different ways to find TOP N queries

Objective: Let us write five different queries to list the top 4 highest paid employees from EMP table. Methods: 1) Using ROWNUM 2) Using ROW_NUMBER () 3) Using RANK() 4)…

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Query to check whether database has any externally authenticated SSL users

Please use the below query.   SELECT name FROM sys.user$ WHERE ext_username IS NOT NULL AND password = ‘GLOBAL’;

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Applying Redhat patching

This is for applying redhat patches and after reboot the server login to the server sudo yum update -y sudo yum check -update | wc -l the count should be…

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Oracle Date Time Function Some Use Cases

To get the first date of the current month: select sysdate “date” from dual /*Current Date */ union all select trunc(sysdate,’MONTH’) from dual /*getting first day of the month*/ Result:…

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Query to generate Baseline Script for a SQL_ID in Oracle Database

Please use the below query. col sql_text for a60 wrap set verify off set pagesize 999 set lines 155 col username format a13 col prog format a22 col sid format…

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Multiple sheet excel report template generation in Oracle BI Publisher 10g

Objective: To create template for generating multiple sheet excel in Oracle BI Publisher 10g. Solution: Template Creation – EXCEL Step 1: Excel contains the below template with Sheet1 and 2…

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Multiple sheet excel report in Oracle BI Publisher 10g using data template SQL Query

Objective: To generate multiple excel sheet report from OBIP using data template SQL queries. Scenario: Customer needs multiple sheets excel report from OBIP. While developing it, developer came to know…

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Data template in Oracle BI Publisher 10g

Objective: To generate reports from OBIP using data template SQL queries. Scenario: Customer has given a requirement to develop the report in OBIP. While developing it, developer came to know…

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Generate DDL source code using Oracle SQL

Objective: To generate DDL source code using Oracle SQL. Scenario: Customer asks us to generate all the DDL source code for some database objects. So I just found the little…

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Split by count excel report in Oracle BI Publisher 10g

Objective: To create a template to split records in excel sheet in Oracle BI Publisher 10g. Solution: Template Creation – EXCEL Step 1: Open the Excel. (See below image) Step…

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