firebird 40 language referenceto other applications, using stored procedures, with or without employing external tables. Such techniques are beyond the scope of a language reference. Here, we provide some guidelines and tips for producing Functions 412 TRANSACTION_ID Same as global CURRENT_TRANSACTION variable. WIRE_COMPRESSED Compression status of the current connection. If the connection is compressed, returns TRUE; if it is not Error opening international conversion descriptor from @1 to @2 -902 335545173 deflate_init Compression stream init error @1 -902 335545174 inflate_init Decompression stream init error @1 -902 3355451800 码力 | 778 页 | 3.43 MB | 1 年前3
Firebird Internals: Inside a Firebird Databasedata is always stored in a compressed format, even if the data itself cannot be compressed. The compression is a type known as Run Length Encoding (RLE) where a sequence of repeating characters is reduced it will be stored in full in both. The same applies to fields in the same record — all storage compression is done within each individual field and previously compressed fields have no effect on the current specialised 'dictionary' based compression routines such as LHZ, ZIP, GZ etc) Repeating short strings such as 'abcabcabc' are also not compressed. Once the compression of the data in a column has been0 码力 | 63 页 | 261.00 KB | 1 年前3
Firebird 1.5 QuickStart Frenchvous trouverez l'arbre du code source, le gestionnaire de bogues et un grand nombre de fichiers techniques qui peuvent être téléchargés soit pour le développement soit pour les tests du code de base. Pour0 码力 | 29 页 | 192.46 KB | 1 年前3
Firebird 2.1.5 Installationperform some customisation of your Firebird server, you will find information about some tools and techniques at the end of this chapter. Uninstallation This note refers to uninstalling a Firebird server0 码力 | 46 页 | 217.89 KB | 1 年前3
firebird gbak-CO[NVERT] backup external files as tables -E[XPAND] no data compression -FA[CTOR] blocking factor -G[ARBAGE_COLLECT) inhibit garbage collection -CO(NVERT) backup external files as tables -E(XPAND) no data compression -FA(CTOR) blocking factor -G(ARBAGE_COLLECT) inhibit garbage collection external. -E[XPAND] Normally, gbak will compress the output file. This switch prevents that compression from taking place. -FA[CTOR]If backing up to a physical tape device, this switch 0 码力 | 34 页 | 191.73 KB | 1 年前3
Firebird 2.5 Language Referenceto other applications, using stored procedures, with or without employing external tables. Such techniques are beyond the scope of a language reference. Here, we provide some guidelines and tips for producing0 码力 | 521 页 | 2.30 MB | 1 年前3
共 6 条
- 1













