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oracle dba for beginners

oracle dba for beginners

Discover oracle dba for beginners, include the articles, news, trends, analysis and practical advice about oracle dba for beginners on alibabacloud.com

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Oracle jobs beginners

[Oracle] jobs for beginners: a job is an oracle object. It can be understood as a program for scheduled execution. Objective: To automatically execute specific code at regular intervals-create a job 1. create the test table JOB_TEST [SQL] create table JOB_TEST (a date ); 2. create a stored procedure and insert data into the test table [SQL] create or replace proc

Oracle Beginners take only one record per field and count the number of repeating bars

then use the Count function to calculate the number of bars per group. Select Max(ZDBH),Count(*), Max(ADSLJDSBMC) power-saving device name,Max(GLWXTGDBH) Related work orders, Sysdate from( SelectZ.id,z.glwxtgdbh,z.zdbh,z.adsljdsbmc,row_number () Over(Order byZ.id)-Row_number () Over(Partition byZ.glwxtgdbhOrder byz.id) x fromREBASE_ZTGD Z Left JoinREBASE_DZGD D onZ.glwxtgdbh=d.djbh)whereGlwxtgdbh is not NULL Group byxOrder by min(ID) I want to merge into this kind of Then combine the two

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