 “Failing” in this sense is simply an efficient process we use to select among alternatives. Shadow IT Agile ways of working support a community approach to IT, where IT leaders achieve their objectives community to work together across organizational silos in a way that values skills and contributions. Shadow IT—rogue IT, IT that is out of the control of the IT organization. It is what has saved IT up to not yet learned to take advantage of, caught up as we are in the contractor-control model of IT. Shadow IT is what happens when the IT organization is unable to meet the needs of a part of the company

make impeccable decisions under uncertainty, and then have the courage to face the consequences. Shadow IT: Agile ways of working support a community approach to IT, where IT leaders achieve their objectives

make impeccable decisions under uncertainty, and then have the courage to face the consequences. Shadow IT: Agile ways of working support a community approach to IT, where IT leaders achieve their objectives

#创建一个名为cof的 用户，并设置密码 postgres=# grant all on database db_test to cof; #给cof授权，有操作db_test 库的所有权限 postgres=# postgres=# revoke all on database db_test from cof; #撤销用户权限 postgres=# drop user cof -d db_test #使用cof用户登录pg，连接 db_test这个库 db_test=> #提示符 => 表示普通账号，=#表示管理员账号 db_test=> #提示符=>前的db_test表示当前数据库名 datname from pg_database; #列出所有数据库（标准的sql 语句） datname ----------- postgres template1 template0 db_test postgres=# \l #列出所有数据库（pg内置查询命令）

into version control 1. Application code & dependencies 2. Environment scripts & creation tools 3. DB scripts and reference data 4. Containers 5. Automated tests 6. Project artifacts – documentation configuration files 7. Run automated smoke tests 8. Running test procedures 9. Scripting & automating DB migrations iii. Focus on areas to reduce lead times and handoffs iv. New requirements for the deployment traffic back 2. Database changes a. Create two DB – put one in read only mode, backup & restore to new environment, swing traffic b. Decouple DB changes from application changes i. Make only additive

tk-devel gcc gcc-c++ make patch libffi-devel python- devel \ gdbm-devel xz-devel libpcap-devel db4-devel # tar -xvf Python-3.x.x.tgz #解压源码包 # cd Python-3.x.x ★sqlite3模块 import sqlite3 sqlite_conn = sqlite3.connect('test.db') # 连接数据库文件， 若文件不存在则新建 # 数据库所有数据存储在此文件中，默认数据库名称同文件名（不含.db后 缀） sqlite_cursor = sqlite_conn.cursor() # 创建一个游标，用于执 行sql语句 # 查询是否有名为'tb_test'的表 close() sqlite_conn.commit() # 保存 sqlite_conn.close() # 关闭连接 sqlite_conn2 = sqlite3.connect('test.db') # 连接数据库（此 时数据库文件已存在） sqlite_cursor2 = sqlite_conn2.cursor() # 创建一个游标，用于 执行sql语句 sqlite_cursor2

54:6443 --token abcdef.0123456789abcdef \ --discovery-token-ca-cert-hash sha256:63b5f34842ec20db12f19f6f4ca535b03e498e95842b97b452a04f9dc94b1151 \ --control-plane --cer�ficate-key 9b77643809b70 54:6443 --token abcdef.0123456789abcdef \ --discovery-token-ca-cert-hash sha256:63b5f34842ec20db12f19f6f4ca535b03e498e95842b97b452a04f9dc94b1151 # mkdir ~/.kube # cp /etc/kubernetes/admin.conf

Every technology under the sun  Solaris, Windows, Linux  Apache, IIS, TCServer, etc.  Oracle, DB2, SQL Server  How we got better  We read and we studied.  Created a self-improvement project