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Build a LAN with 360 free WiFi for others to access Oracle database

The steps are simple answer yesPart One: Install 360 free, click RunPart Two: Shutting down the firewall on the local computer (after a long day of problems, I found the firewall was not closed.) About the role of the firewall and then look at the subnet mask.Part III: is to let other people's computer through the PSQL connection to your database (if you do not want to configure the service name, the servic

Classification of Oracle Database object tables Learn notes

1, the Heap organization table (heap organized table)is the "normal" standard database table. Data is managed in a heap manner. The records in the heap organization table are unordered and are not placed in a particular order. 2, Index Organization table (indexed organized table)The data for the Index organization table is stored in the index associated with it, adding, updating, and deleting the table will only cause an update to the index. Queries

Learn essays--python connect to Oracle Database

#coding =utf-8import cx_oracle #引用模块cx_Oracleimport osos.environ[' nls_lang '] = ' simplified Chinese_china. UTF8 ' #编码问题conn =cx_oracle.connect (' xho ', ' sys ', ' LOCALHOST:1521/ORCL ') #连接数据库c =conn.cursor () #获取cursor游标x =c.execute (' select * from weight ') #使用cursor进行各种操作a =x.fetchone () #查询时获取结果集的第一行数据, returns a tuple of print Ab=x.fetchall () #所有行, a row forms a t

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