if else in oracle select query example

Oracle query syntax <> 1. Select * from EMP; 2. Select empno, ename, job from EMP; 3. Select empno number, ename name, job from EMP; 4. Select job from EMP; 5. Select distinct job from EMP; 6. Select distinct empno, job from EMP;Note: Because

oracle|xml| Conversion In Oracle's 10g 2nd edition, Oracle introduced a full-featured, self-contained XQuery engine integrated with the database that can be used to complete various tasks related to developing XML-enabled applications. XQuery is a

Created: Article attributes: original Article submission: T_Torchidy (jnchaha_at_163.com) Oracle web Environment Injection Technology## BY Jianxin# Http://www.loveshell.net/# Preface I am not a professional database administrator, nor a researcher

Here we will introduce more than 40 useful Oracle query statements, covering date operations, server information retrieval, execution status retrieval, database size calculation, and other queries. These are essential skills for all Oracle

Here we will introduce more than 40 useful Oracle query statements, covering date operations, server information retrieval, execution status retrieval, database size calculation, and other queries. These are essential skills for all Oracle

1,OracleOfficial preparations recommended by the company Generally speaking, Oracle has a lot of examination content, and the examination questions are also very detailed, it has a strong requirement on hands-on ability. Therefore, in order to be

Date/Time Related queries1 Get the first day of the current month run this command to quickly return to the first day of the current month. You can replace "sysdate" with any date value to specify the date of the query.Select TRUNC (sysdate, ' month

Oracle classic Q & A list [common] Oracle classic Q & A list [common] Directories01. What is the initial password after oracle is installed?02. What is the initial Default

When I first came into contact with the oracle database, I learned about the oracle paging query function. Next I will share with you some of my found and self-developed replice paging query instances, I hope to help you. Oracle paging query

Date/Time Related queries Gets the first day of the current monthRun this command to quickly return to the first day of the current month. You can replace "sysdate" with any date value to specify the date of the query.Select TRUNC (sysdate, '