Getting Started with DB2 Express-C

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176 Getting Started with DB2 Express-C Figure 10.3 – Listing of some DB2 privileges A user or group receiving CONTROL privileges implies that they can also grant the privilege to some other user or group. Refer to the DB2 Information Center for details about the other different privileges. 10.2.2 Authorities Authorities are classified in two groups: • Instance-level authorities: These authorities can operate at the instance level. For example, SYSADM. • Database-level authorities: These authorities can only operate at the database level. For example, DBADM.
Chapter 10 – Database Security 177 10.2.2.1 Instance-level authorities Table 10.2 lists the instance-level authorities Authority Description SYSADM SYSCTRL SYSMAINT SYSMON Manages the instance as a whole Administers a database manager instance Maintains databases within an instance Monitors the instance and its databases Table 10.2 - Instance-level authorities To grant SYSADM, SYSCTRL, SYSMAINT, or SYSMON authority to a group, the DBM CFG parameters SYSADM_GROUP, SYSCTRL_GROUP, SYSMAINT_GROUP, and SYSMON_GROUP, respectively, can be assigned to an operating system group. For example, to give SYSADM authority to the operating system group myadmns, you can issue this command: update dbm cfg using SYSADM_GROUP myadmns Each DB2 instance has its own authority group definitions. On Windows, these parameters are empty by default, which means the Local Administrators group will have SYSADM authority. In DB2 9.7, the DB2ADMNS group (if extended security is enabled) and the LocalSystem Account will also have SYSADM authority. The authorization ID for the LocalSystem account is SYSTEM. On Linux, the instance owner group is the default SYSADM group. Figure 10.4, extracted from the DB2 Information Center, shows the different instance-level authorities and the different functions they can perform. As the figure illustrates, a SYSADM authority includes all the SYSCTRL functions and more. A SYSCTRL authority includes all the SYSMAINT functions and more, and so on.
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GETTING STARTED WITH DB2 Express-C
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Contents About this book ..........
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Contents 7 6.3 DB2 storage model ..
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Contents 9 13.4.2 Cursor stability
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About this book Notices and tradema
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About this Book 13 A book for the c
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About this Book 15 Foreword Innovat
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1 Chapter 1 - What is DB2 Express-C
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Chapter 1 - What is DB2 Express-C?
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1.8 Moving up to another DB2 editio
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4 Chapter 4 - DB2 Environment The D
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Chapter 4 - DB2 Environment 69 conf
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Chapter 4 - DB2 Environment 73 Tabl
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PART III - LEARNING DB2: APPLICATIO
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Getting started with DB2 9.7 couldn
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