用DDLGEN从ASE数据库中提取对象的定义语法
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--- 2010-06-01 00:52:17
---- 关键字: ddlgen 表结构
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在论坛中看到有人寻找从sybase数据库中提取表结构的方法。用dbartisan8.6.1这个第三方工具可以很轻松的实现,我自己也用pb编写过函数能够提取表结构和索引创建语法。
像sybase自带的sybase central也能从中导出ddl。我感觉从sybase central中导出语法时可能利用的就是ddlgen这个工具,原因我认为sybase central和ddlgen都基于java编写。
先将整理的ddlgen说明以及使用方法贴在下面。
ddlgen
Description
A Java-based tool that generates definitions for server- and database-level objects in Adaptive Server. ddlgen supports Adaptive Server version 11.9.2 and later.
The command-line version of ddlgen is located in $SYBASE/ASEP/bin (%SYBASE%/ASEP/bin in Windows).
Syntax
ddlgen
-Ulogin
-Ppassword
-S[server | host_name : port_number]
[-I interfaces_file]
[-Tobject_type]
[-Nobject_name]
[-Ddbname]
[-Xextended_object_type]
[-Ooutput_file]
[-Eerror_file]
[-Lprogress_log_file]
[-Jclient_charset]
-F[ % | SGM | GRP | USR | R | D | UDD | U | V |
P | XP | I | RI | KC | TR | PC ]
Or
ddlgen -v
Parameters
-U login
specifies a login name, and is case-sensitive.
-P password
specifies your password.
-S [server | host_name : port_number]
specifies the name of the Adaptive Server. ddlgen looks this name up in the interfaces file or LDAP configuration file. If you specify:
·
-S [host_name:port_number] –
ddlgen uses the host_name and port_number provided, and neither interfaces nor LDAP configuration files are read or parsed.
·
-S[server] -I – ddlgen parses the interfaces file specified at the user location for the server name (see the -I parameter description for more information).
·
-S[server] – without specifying an interfaces file, ddlgen does the following:
a.
ddlgen first tries to read the LDAP configuration file from the standard location
b.
If the LDAP file does not exist, or exists but does not contain an Adaptive Server entry, then the interfaces file is parsed at its standard location for the server name
c.
If the LDAP file exists, then ddlgen uses it to search the server name. The interfaces file is not parsed, and the LDAP configuration file is parsed.
You must use the -S option because ddlgen does not connect to a default server.
-I
specifies the interfaces file name, and corresponds to $SYBASE/interfaces for UNIX, and %SYBASE%/ini/sql.ini for Windows. Use this optional parameter with -S.
-Tobject_type
specifies the type of object you are creating. If you do not use -T, ddlgen generates DDL for the default database of login. The object types for -T are:
Object type
Description
C
cache
D
default
DB
database
DBD
database device
DPD
dump device
EC
execution class
EG
engine group
EK
encrypted keys
GRP
group
I
index
KC
key constraints
L
login
LK
logical key
P
stored procedure
R
rule
RI
referential integrity
RO
role
RS
remote server
SGM
segment
TR
trigger
U
table
UDD
user-defined datatype
USR
user
V
view
WS
user-defined Web service
WSC
Web service consumer
XP
extended stored procedure
-Nobject_name
specifies the fully qualified name of the object you are creating, such as -Ndb_name.owner_name.table_name.object_name. The -N option:
·
is required if you specify any object_type other than DB (database) in the -T parameter.
·
accepts wildcards with the use of %.
·
generates DDL for all items of a specific object type on your server.
·
enforces strict order in which it parses the names in the -Ndb_name.owner_name.table_name.object_name format. If you only provide three arguments, ddlgen assumes they are owner_name, table_name, and object_name, in that order. Alternatively, you can also use -Nowner_name.table_name -Ddb_name. ddlgen does not impose this restriction if object_name is an index (I).
-Ddbname
specifies the name of the database for the object you specify in the -N option. The default is the user’s default database.
-Xextended_object_type
differentiates the following:
·
user tables (OU) from proxy tables (OD) when you specify a table as your object type (-TU)
·
temporary databases (OD) from nontemporary databases (OU) when you specify database as your object type (-TDB)
·
SQLJ procedures (OD) from stored procedures (OU) when you specify procedure as your object type (-TP).
If object_type (-T) is U (table) and -X is not specified, ddlgen generates DDL for both user tables and proxy tables. To generate DDL only for:
·
user tables – use the OU extended object type with the -X option.
·
proxy tables – use the OD extended object type with the -X option.
ddlgen does not support schema generation for system tables.
-Ooutput_file
specifies an output file for the generated DDL. If you do not specify -O, the DDL you create appears in a console window.
-Eerror_file
specifies a log file for recording errors. If you do not specify -E, the generated errors appear in a console window.
-Lprogress_log_file
specifies a log file for recording the progress of ddlgen. If you do not specify -L, the progress is not recorded.
-Jclient_charset
specifies the character set to use on the client. -Jclient_charset requests that Adaptive Server convert to and from client_charset, the character set used on the client. A filter converts input between client_charset and the Adaptive Server character set.
Omitting -J sets the character set to a default for the platform. The default may not necessarily be the character set that the client is using.
HP platforms – You must use -Jiso_1 to specify the correct character set.
-F
filters out indexes, triggers, and constraints out of table and database definitions in the DDL of table- and database-level objects. The valid filters are:
·
For tables – [ % | I | RI | KC | TR | PC ]
·
For databases – [ % | SGM | GRP | USR | R | D | UDD | U | V | P | XP | I | RI | KC | TR]
The filter options are:
Filter option
Filters out:
%
Everything, and retrieves the schema-only definition of a database or table.
SGM
Segments
GRP
Groups
USR
Users
R
Rules
D
Defaults
UDD
Uer-defined datatypes
U
User tables
V
Views
P
Stored procedures
PC
Partition condition
XP
Extended stored procedures
I
Indexes
RI
Referential integrity constraints
KC
Primary- and unique-key constraints
TR
Triggers
-v
displays the version and copyright message of ddlgen and returns to the operating system.
Examples
Example 1
Caches – Generates DDL for a cache called default data cache on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TC -N"default data cache"
To generate DDL for all caches:
ddlgen -Ulogin -Ppassword -Sserver:port -TC -N%
Example 2
Defaults – Generates DDL for a default called “phondflt” owned by jones in the pubs2 database on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TD -Njones.phonedflt -Dpubs2
Alternatively, because ddlgen allows you to use a fully qualified name in the -N flag, you can omit the -Ddbname and include the database name in the -N option:
ddlgen -Ulogin -Ppassword -Sserver:port -TD -Ndbname.owner.defaultname
To generate DDL for all defaults in a database owned by “owner”:
ddlgen -Ulogin -Ppassword -Sserver:port -TD -Nowner.% -Ddbname
Example 3
Databases – Generates DDL for a database called pubs2 on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TDB -Npubs2
If you do not specify a dbname, ddlgen generates DDL for the default database of login:
ddlgen -Ulogin -Ppassword -Sserver:port
If you do not use the -T parameter, ddlgen generates DDL for a default-type database:
ddlgen -Ulogin -Ppassword -Sserver:port -Ndbname
To generate DDL for all databases:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -N%
Example 4
Database device – Generates DDL for a database device called master running on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TDBD -Nmaster
To generate DDL for all database devices:
ddlgen -Ulogin -Ppassword -Sserver:port -TDBD -N%
Example 5
Temporary databases – Generates DDL for all databases, including tempdb:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -N%
To generate DDL for all temporary databases, use the OD extended database type:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -XOD -N%
Although you can use the OD extended type in Adaptive Server versions 12.5.0.3 and later, versions earlier than 12.5.0.3 issue warning messages. You can safely ignore this message; ddlgen continues processing the command.
To generate DDL for all databases except temporary databases, use the OU extended type:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -XOU -N%
The following generates DDL for a temporary database named tempdb1:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -Ntempdb1
The output includes the following:
·
A create temporary database statement
·
create temporary database tempdb1 on master = 4,
·
asdas = 2
·
go
·
An sp_tempdb bind statement where the isql application is bound to tempdb1:
·
sp_tempdb 'bind','ap', 'isql', 'DB', 'tempdb1'
·
go
DDL for objects such as views, stored procedures, and tables is not generated along with DDL for a temporary database because these objects are temporary, and are re-created when the server restarts.
When you use the -F parameter to filter a table while generating DDL for a database object, then indexes, referential integrity, key constraints and triggers automatically get filtered, as they are a subset of the table object.
Example 6
Dump device – generates DDL for a dump device called tapedump1 running on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TDPD -Ntapedump1
To generate DDL for all dump devices:
ddlgen -Ulogin -Ppassword -Sserver:port -TDPD -N%
Example 7
Execution class – generates DDL for an execution class called EC2 running on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TEC -NEC2
To generate DDL for all execution classes:
ddlgen -Ulogin -Ppassword -Sserver:port -TEC -N%
Example 8
Engine groups – generates DDL for an engine group called LASTONLINE running on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TEG -NLASTONLINE
To generate DDL for all engine groups:
ddlgen -Ulogin -Ppassword -Sserver:port -TEG -N%
Example 9
Extended stored procedures – generates DDL for the xp_cmdshell extended stored procedure in the pubs2 database, owned by Jones and running on a machine named HARBOR using port 1955, by using the fully qualified dbname.owner.extendedstoredprocedure format with the -N option:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TXP -Npubs2.jones.xp_cmdshell
Alternatively, you can use the -D option instead of using the fully qualified name:
ddlgen -Ulogin -Ppassword -Sserver:port -TXP
-Nowner.extendedstoredprocedure -Ddbname
To generate DDL for all extended stored procedures:
ddlgen -Ulogin -Ppassword -Sserver:port -TXP -Ndbname.owner.%
Example 10
Filters – Generates DDL for the authors table in the pubs2 database, filtering for all indexes (I), and referential integrity constraints (RI), primary and unique key constraints (KC), triggers (TR), and partition condition (PC) from the DDL of a table:
ddlgen -Uroy -Proy123 -TU -Nauthors -Dpubs2 -F%
Alternatively, you can specify each of the filters individually:
ddlgen -Ulogin -Ppassword -TU -Ndbname.owner.table
-FI,RI,KC,TR
The following generates the definition of table_name while filtering out foreign keys and primary-unique keys:
ddlgen -Ulogin -Ppassword -TU -Ntable_name -Ddbname
-FRI,KC
Both of these generate foreign keys for a specified user in the entire database:
ddlgen -Ulogin -Ppassword -TRI -N%.%.% -Ddbname
Or:
ddlgen -Ulogin -Ppassword -TRI -Ndbname%.%.%
Both of these generate DDL for the primary and unique keys of all the tables in a database that begin with “PK”:
ddlgen -Ulogin -Ppassword -TKC -Ndbname.%.%.PK%
Or:
ddlgen -Ulogin -Ppassword -TKC -N%.%.PK% -Ddbname
The following generates schema-only definition of a database:
ddlgen -Ulogin -Ppassword -Sserver:port -TF -Ndbname -F%
Alternatively, you can specify each of the filters individually:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -Ndbname
-FSGM,GRP,USR,R,D,UDD,V,P,XP,I,RI,KC,TR
The following generates the database DDL skipping the compiled object:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -Ndbname -FTR,D,XP,V,R
The following generates database definition without a table definition:
ddlgen -Ulogin -Ppassword -Sserver:port -TDB -Ndbname
-FU
Example 11
Groups – Generates DDL for a group called “public” in the pubs2 database, running on a machine named HARBOR using port 1955, by using the fully qualified dbname.groupname format in the -N option:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TGRP -Npubs2.public
Alternatively, you can use the -D option to specify the dbname:
ddlgen -Ulogin -Ppassword -Sserver:port -TGRP -Ngroupname -Ddbname
To generate DDL for all groups:
ddlgen -Ulogin -Ppassword -Sserver:port -TGRP -Ndbname.%
Example 12
Indexes – Generates DDL for an index called au_lname for the table authors owned by dbo, in the pubs2 database:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TI -Ndbo.authors.au_lname -Dpubs2
Alternatively, because ddlgen allows you to use a fully qualified name in the -N flag, you can omit the -Ddbname and include the database name in the -N option:
ddlgen -Ulogin -Ppassword -Sserver:port
-TI -Ndbname.owner.tablename.indexname
If you use a fully qualified name, you may omit the -D option.
To generate DDL for all indexes for a single table:
ddlgen -Ulogin -Ppassword -Sserver:port -TI
-Ndbname.owner.tablename.%
To generate DDL for all indexes of all tables in a database:
ddlgen -Ulogin -Ppassword -Sserver:port -TI
-Ndbname.%.%.%
For example, this generates DDL for all indexes for all tables in the pubs2 database:
ddlgen -Usa -P -SHARBOR:1955 -TI -Npubs2.%.%.%
ddlgen -Usa -P -SHARBOR:1955 -TI -Npubs2.%.%.%
Example 13
Keys – Both of these generate DDL for the primary and unique keys of all the tables in a database that begin with “PK”:
ddlgen -Usa -P -TKC -Ndbname.%.%.PK%
Or:
ddlgen -Usa -P -TKC -N%.%.PK% -Ddbname
Example 14
Logical keys – LK generates logical keys of table defined by sp_primarykey, sp_commonkey, sp_foreignkey statements. Since these keys do not have a name, the name of the object in this case would be the name of the table. This example generate a DDL for logical keys of table authors in database pubs2 running on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TLK -Npubs2.dbo.authors
To generate DDL for all logical keys in database pub2 use:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TLK -Npubs2.%.%
To filter out logical keys definition from DDL of table authors use LK in -F argument, use:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TLK -Npubs2.dbo.authors -FLK
Example 15
Logins – Generates DDL for all logins on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TL -N%
The password in the DDL generated for all logins is “password”.
Alternatively, you can specify an individual login by using -Nusername instead of -N%:
ddlgen -Ulogin -Ppassword -Sserver:port -TL -Nusername
Example 16
Remote Servers – Generates DDL for a remote server called ORANGE on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TRS -NORANGE
To generate DDL for all remote servers:
ddlgen -Ulogin -Ppassword -Sserver:port -TRS -N%
Example 17
Roles – Generates DDL for the sa_role on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TRO -Nsa_role
To generate DDL for all roles:
ddlgen -Ulogin -Ppassword -Sserver:port -TRO -N%
The password in the DDL generated for all roles is “password”.
Example 18
Rules – Generates DDL for all rules associated with authors on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TR -Nauthors.dbo.%
The % symbol tells ddlgen to create DDLs for all rules that exist on the server.
You can also give the fully qualified name of the rule:
ddlgen -Ulogin -Ppassword -Sserver:port -TR -Ndbname.owner.rulename
Alternatively, you can also use the -D parameter:
ddlgen -Ulogin -Ppassword -Sserver:port -TR -Nowner.rulename -Ddbname
Example 19
Segments – Generates DDL using the fully qualified dbname.segmentname format in the -N option for a segment called logsegment for the pubs2 database, on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TSGM -Npubs2.logsegment
Alternatively, you can use specify the dbname using the -D option:
ddlgen -Ulogin -Ppassword -Sserver:port -TSGM -Nsegmentname -Ddbname
To generate DDL for all segments:
ddlgen -Ulogin -Ppassword -Sserver:port -TSGM -Ndbname.%
Example 20
SQLJ functions – Generates DDL for a SQLJ function named region_of owned by dbo in database master:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TF –Nmaster.dbo.region_of
Alternatively you can also use the -D parameter:
ddlgen -Ulogin -Ppassword -Sserver:port -TF –Ndbo.region_of –Dmaster
To generate DDL for all SQLJ functions in a database, use object type F:
ddlgen -Ulogin -Ppassword -Sserver:port -TF –Ndbname.owner.%
Example 21
SQLJ procedures – are a kind of stored procedure. You generate DDL for SQL procedures along with DDL for stored procedures. The following generates DDL for all stored procedures—including SQLJ procedures—owned by dbo in the master database:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TP –Nmaster.dbo.%
To generate DDL for all SQLJ procedures that are only owned by dbo in the master database, use the following, where the extended type OD refers to SQLJ procedures:
ddlgen -Ulogin -Ppassword-Sserver:port -TP –Nmaster.dbo.% -XOD
To generate DDL for all procedures except SQLJ procedures owned by dbo in the master database, use the following, where the extended type OU refers to all stored procedures except SQLJ procedures:
ddlgen -Ulogin -Ppassword-Sserver:port -TP –Nmaster.dbo.% -XOU
Example 22
Stored procedures – Generates DDL for the sp_monitor stored procedure for the pubs2 database on a machine named HARBOR using port 1955, using the fully qualified dbname.owner.procedure_name format for the -N option:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TP -Npubs2.dbo.sp_monitor
Alternatively, you can use specify the dbname using the -D option:
ddlgen -Ulogin -Ppassword -Sserver:port -TP -Nowner.procedurename -Ddbname
To generate DDL for all stored procedures:
ddlgen -Ulogin -Ppassword -Sserver:port -TP -Ndbname.owner.%
Example 23
Tables – Generates DDL for all user tables in the pubs2 database owned by “dbo” and running on a machine named HARBOR using port 1955:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TU -Ndbo.% -Dpubs2
You can also use the -N parameter to give the fully qualified name of the table:
ddlgen -Ulogin -Ppassword -Sserver:port -TU
-Ndbname.tableowner.tablename
Alternatively, you can also use the -D parameter to specify the database:
ddlgen -Ulogin -Ppassword -Sserver:port -TU
-Ntableowner.tablename -Ddbname
To generate DDL for all proxy tables, which uses the value OD, use -XOD instead, where X is the extended type, and OD denotes proxy tables:
ddlgen -Ulogin -Ppassword -Sserver:port -TU
-Ntableowner.% -Ddbname -XOD
To generate DDL for all user tables, which uses the value OU, use -XOU instead, where X is the extended type, and OU denotes user tables:
ddlgen -Ulogin -Ppassword -Sserver:port -TU
-Ntableowner.% -Ddbname -XOU
To generate DDL for all tables, including user tables and proxy tables:
ddlgen -Ulogin -Ppassword -Sserver:port -TU -Ndbname.tableowner.%
Example 24
Triggers – Generates DDL for the trigger checksum for the pubs2 database on a machine named HARBOR using port 1955, using the fully qualified dbname.owner.trigger_name format for the -N option:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TTR -Npubs2.dbo.checksum
Alternatively, you can use specify the database_name using the -D option:
ddlgen -Ulogin -Ppassword -Sserver:port -TTR
-Nowner.triggername -Ddbname
To generate DDL for all triggers:
ddlgen -Ulogin -Ppassword -Sserver:port -TTR -Ndbname.owner.%
Example 25
User-defined datatypes – Generates DDL for the user-defined datatype “Identype” for the pubs2 database on a machine named HARBOR using port 1955 using the fully qualified dbname.userdefined_datatype format for the -N option:
ddlgen -Uroy -Proy123 -SHARBOR:1955 -TUDD -Npubs2.Identype
Alternatively, you can use the -D option to specify the dbname:
ddlgen -Ulogin -Ppassword -Sserver:port -TUDD
-Nuserdefined_datatype -Ddbname
To generate DDL for all user-defined datatypes:
ddlgen -Ulogin -Ppassword -Sserver:port -TUDD -Nbname.%
For example, this generates DDL for all indexes for all tables in the pubs2 databaseUsage
·
ddlgen does not identify existing sequences within views, stored procedures or triggers. For this reason, when generating DDL for a database, you must first run ddlgen on those views, stored procedures and triggers that are independent, before running ddlgen on those with dependencies. For example, if view B depends on view A, you must first run ddlgen on view A, before running it on view B.
·
The default information for ddlgen is:
Option
Parameter
Required
Default
-U
username
Yes
None
-P
password
Yes
None
-S
host_name:port_number
Yes
None
-T
object_type
See the -T parameter description for a list of valid object types
No
Database
-N
object_name
Yes, if object_type for -T is not DB (database)
Default database name of username, if -Tobject_type is db or if -T is not specified
-D
database_name
No
Default database of username
-X
extended_object_type
Options are:
o
OU – for user tables, user databases (excluding temporary databases), and stored procedures (excluding SQLJ procedures).
o
OD – for proxy tables, temporary databases, and SQLJ procedures.
No; use only when the object_type for -T is U (user table), P (procedure), DB (database)
None
-O
output_file_name
No
Standard out
-E
error_file_name
No
Standard out
-L
log_file_name
No
None
-V
version_number of ddlgen
No
None
·
At the command line, invoke ddlgen using the ddlgen shell script file (ddlgen.bat for Windows), included in your Adaptive Server installation. The main class in DDLGen.jar is com.sybase.ddlgen.DDLGenerator.
·
To start ddlgen in the Sybase Central plug-in for Adaptive Server:
a.
Right-click on the object for which you want to generate DDL.
b.
Select Generate DDL.
·
In the output DDL of create table, bind statements are generated as independent DLL instead of dependent DLL.
Filters
If you use an invalid filter parameter, ddlgen generates a warning, ignores that parameter, and continues with the rest of the valid parameters you specify.
If you specify % along with other filter parameters, ddlgen ignores all other filterable parameters, and only shows schema-only definitions. ddlgen then continues to evaluate the dependencies within the subset of the applied as the filterable parameters for the database.
Permissions
Since ddlgen needs to obtain data from system catalogs, users must either be logged in as “dbo” or have select permissions on syscatalogs.
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