Firebird File and Metadata Security
installed on a server hosting other databases could present itself as a major security risk. In reality the risk is no greater than if the embedded client did not exist. When an application loads the0 码力 | 19 页 | 115.27 KB | 1 年前3firebird 5 quickstartguide
Firebird). The default practice — running the service as the LocalSystem user — poses a security risk if your system is connected to the Internet. Consult README.instsvc.txt in the doc directory to learn including the security database. In Firebird 2.5 and later, this is no longer the case. This reduces the risk that administrators with little or no Firebird knowledge mess up databases or user accounts. If0 码力 | 49 页 | 396.21 KB | 1 年前3Firebird Null Guide: NULL behaviour and pitfalls in Firebird SQL
decision and check for NULLs anyway? And yet that’s exactly what you should do if you want to avoid the risk of reporting false values to your users. Ensuring the validity of your data Here’s what you should properly executed it shouldn’t cause you any problems. So here’s the SQL, but remember: at your own risk! update rdb$fields set rdb$null_flag =where rdb$field_name = ' ' To make a 0 码力 | 69 页 | 479.63 KB | 1 年前3Firebird Generator Guide: A guide on how and when to use generators in Firebird
generators that Firebird allows, so there’s bound to be room for more anyway. But if your database does risk to hit the 32767 ceiling, you can free up dead generator space by performing a backup-restore cycle0 码力 | 20 页 | 169.00 KB | 1 年前3Firebird 1.0 QuickStart
as fast as the “Classic” ones on Linux and also less safe. Server must run as root. This poses a risk if the server were to be hacked or contained a severe bug. (Note: in Firebird 1.5 this is no longer0 码力 | 26 页 | 179.05 KB | 1 年前3Firebird 2 QuickStart
Firebird). The default practice – running the service as the LocalSystem user – poses a security risk if your system is connected to the Internet. Consult README.instsvc in the doc subdir to learn more0 码力 | 40 页 | 218.42 KB | 1 年前3Firebird 2.5 Language Reference
by the owner of the table or an administrator. It can be performed under concurrent load without risk of corruption. However, be aware that, under concurrent load, the newly calculated statistics could0 码力 | 521 页 | 2.30 MB | 1 年前3firebird 40 language reference
correspond to the contents of the newly-[re]built index. It can be performed under concurrent load without risk of corruption. However, be aware that, under concurrent load, the newly calculated statistics could0 码力 | 778 页 | 3.43 MB | 1 年前3
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