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We have learned how to use the Spring Security framework. In this chapter, we need to apply the Spring Security framework to the background system for permission control. Its essence is authentication and authorization. To carry out authentication and authorization, we need to support the seven tables i ...

preface Tianjin Shenzhou General Data Technology Co., Ltd. (hereinafter referred to as "Shenzhou general company") is subordinate to China Aerospace Science and Technology Corporation (CASC). Is engaged in the domestic database, big data solutions and data mining analysis product research and development of professional companies. The ...

Oracle's complete process of creating tablespaces, users I often use Oracle in my work and study process. Due to lack of experience and skills, Baidu is required every time.Now let's summarize how Oracle created users and share them with you.( Here I will paste the sql statement directly. When using it, I can copy and paste it directly. / ...

Introduction of master and slave What is master-slave? MySQL master-slave replication is one of its most important functions. Master-slave replication refers to that one server acts as the master database server and another or more servers act as the slave database server, and the data in the master ...

Oracle trail learning experience stored procedure Annotate a custom column name Incoming parameters: field name and annotation create or replace procedure csp_col_comment ( p_column_name varchar, --Field name p_Title varchar, --field comment p_RetVal Out integ ...

Recently, many pits were encountered in the test of a customer's RHEL7 + 11204 RAC environment. Fortunately, they were found and handled in time before the official launch. Two of the problems are typical, so it is specially recorded that the problems are not caused by the self startup of O-related services after the host restarts. It seems tha ...

summary: PL/SQL(Procedural Language/SQL) is a special application development language of Oracle database. It is a programming language formed after the process expansion of the standard SQL language. PL/SQL Oracle extends SQL procedure. PL/SQL database programming Benefits: simple, efficient, flexible and practical 1. Grammar Basic syntax: ...

pydbclib It is a general python relational database operation toolkit. It uses a unified interface to operate various relational databases (such as oracle, mysql, postgres, hive, impala, etc.) for addition, deletion, and query. It is a connection driver package for various python databases (such as sqlalchemy, pymysql, CX_ The encapsulation of ...

One: Background 1. Storytelling Recently, looking at the major technical communities, whether they know, the Nuggets, the Blog Garden or csdn, we can hardly see any articles about sqlserver class shared by small partners. It looks like sqlserver has disappeared in recent years and no one has written it since. It is impossible to write sqlserver ...

Install with paa source 1. Install paa sudo add-apt-repository ppa:webupd8team/java sudo apt-get update 2. Install Oracle Java installer jdk7 sudo apt-get install oracle-java7-installer jdk8 sudo apt-get install oracle-java8-installer The installer will prompt you to agree to oracle's terms of service and ...