Pro*C 环境配置(RedHat +Oracle 10g)
环境搭建完毕后,,终端中输入命令 proc
如果有如下错误提示:
[Oracle@oracleserver ~]$ proc
proc: error while loading shared libraries: libclntsh.so.10.1: cannot open shared object file: No such file or directory可以直接在用户配置文件 .bash_profile 中添加:
export LD_LIBRARY_PATH=$ORACLE_HOME/lib输入以下命令生效:
source .bash_profile———————————————————-
编译.pc程序文件时,如果提示这样的错误:
Pro*C/C++: Release 10.2.0.1.0 - Production on Tue May 21 15:50:48 2013
Copyright (c) 1982, 2005, Oracle. All rights reserved.
System default option values taken from: /home/oracle/OraHome1/oracle10g/precomp/admin/pcscfg.cfg
Error at line 34, column 11 in file /usr/include/stdio.h
# include
..........1
PCC-S-02015, unable to open include file
Error at line 31, column 10 in file /usr/include/bits/types.h
#include
.........1
PCC-S-02015, unable to open include file
Error at line 14, column 10 in file /usr/include/_G_config.h
#include
.........1
PCC-S-02015, unable to open include file
Error at line 48, column 10 in file /usr/include/wchar.h
#include
.........1
PCC-S-02015, unable to open include file
Error at line 48, column 10 in file /usr/include/wchar.h
#include
.........1
PCC-S-02015, unable to open include file
Error at line 31, column 10 in file /usr/include/gconv.h
#include
.........1
PCC-S-02015, unable to open include file
Syntax error at line 72, column 26, file /usr/include/gconv.h:
Error at line 72, column 26 in file /usr/include/gconv.h
unsigned char **, size_t *, int, int);
.........................1
PCC-S-02201, Encountered the symbol "size_t" when expecting one of the following
:
... auto, char, const, double, enum, float, int, long,
ulong_varchar, OCIBFileLocator OCIBlobLocator,
OCIClobLocator, OCIDateTime, OCIExtProcContext, OCIInterval,
OCIRowid, OCIDate, OCINumber, OCIRaw, OCIString, register,
short, signed, sql_context, sql_cursor, static, struct,
union, unsigned, utext, uvarchar, varchar, void, volatile,
a typedef name, exec oracle, exec oracle begin, exec,
exec sql, exec sql begin, exec sql type, exec sql var,
The symbol "enum," was substituted for "size_t" to continue.
Syntax error at line 88, column 7, file /usr/include/gconv.h:
Error at line 88, column 7 in file /usr/include/gconv.h
size_t *);
......1
PCC-S-02201, Encountered the symbol "size_t" when expecting one of the following
:
... auto, char, const, double, enum, float, int, long,
ulong_varchar, OCIBFileLocator OCIBlobLocator,
OCIClobLocator, OCIDateTime, OCIExtProcContext, OCIInterval,
OCIRowid, OCIDate, OCINumber, OCIRaw, OCIString, register,
short, signed, sql_context, sql_cursor, static, struct,
union, unsigned, utext, uvarchar, varchar, void, volatile,
a typedef name, exec oracle, exec oracle begin, exec,
exec sql, exec sql begin, exec sql type, exec sql var,
The symbol "enum," was substituted for "size_t" to continue.
Syntax error at line 97, column 6, file /usr/include/gconv.h:
Error at line 97, column 6 in file /usr/include/gconv.h
size_t *);
.....1
PCC-S-02201, Encountered the symbol "size_t" when expecting one of the following
:
... auto, char, const, double, enum, float, int, long,
ulong_varchar, OCIBFileLocator OCIBlobLocator,
OCIClobLocator, OCIDateTime, OCIExtProcContext, OCIInterval,
OCIRowid, OCIDate, OCINumber, OCIRaw, OCIString, register,
short, signed, sql_context, sql_cursor, static, struct,
union, unsigned, utext, uvarchar, varchar, void, volatile,
a typedef name, exec oracle, exec oracle begin, exec,
exec sql, exec sql begin, exec sql type, exec sql var,
The symbol "enum," was substituted for "size_t" to continue.
Syntax error at line 106, column 3, file /usr/include/gconv.h:
Error at line 106, column 3 in file /usr/include/gconv.h
__gconv_trans_fct __trans_fct;
..1
PCC-S-02201, Encountered the symbol "__gconv_trans_fct" when expecting one of th
e following:
char, const, double, enum, float, int, long, ulong_varchar,
OCIBFileLocator OCIBlobLocator, OCIClobLocator, OCIDateTime,
OCIExtProcContext, OCIInterval, OCIRowid, OCIDate, OCINumber,
OCIRaw, OCIString, short, signed, sql_context, sql_cursor,
struct, union, unsigned, utext, uvarchar, varchar, void,
volatile, a typedef name,

TograntpermissionstonewMySQLusers,followthesesteps:1)AccessMySQLasauserwithsufficientprivileges,2)CreateanewuserwiththeCREATEUSERcommand,3)UsetheGRANTcommandtospecifypermissionslikeSELECT,INSERT,UPDATE,orALLPRIVILEGESonspecificdatabasesortables,and4)

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The best tools and technologies for automating the creation of users in MySQL include: 1. MySQLWorkbench, suitable for small to medium-sized environments, easy to use but high resource consumption; 2. Ansible, suitable for multi-server environments, simple but steep learning curve; 3. Custom Python scripts, flexible but need to ensure script security; 4. Puppet and Chef, suitable for large-scale environments, complex but scalable. Scale, learning curve and integration needs should be considered when choosing.

Yes,youcansearchinsideaBLOBinMySQLusingspecifictechniques.1)ConverttheBLOBtoaUTF-8stringwithCONVERTfunctionandsearchusingLIKE.2)ForcompressedBLOBs,useUNCOMPRESSbeforeconversion.3)Considerperformanceimpactsanddataencoding.4)Forcomplexdata,externalproc


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