公司环境RedHat AS5 安装Oracle 10g的文档
公司环境RedHat AS5 安装Oracle 10g的文档
patch for Oracle10gR2
先执行patch1，，再执行patch2
rpm -Uvh compat-libstdc++-3.2-1.i386.rpm
-rw-r--r-- 1 root root 3016394 Aug 20 14:03 binutils-2.17.50.0.6-6.0.1.el5.i386.rpm
-rw-r--r-- 1 root root 410476 Aug 20 13:52 compat-binutils215-2.15.92.0.2-24.i386.rpm
-rw-r--r-- 1 root root 4256 Aug 20 13:55 compat-libcwait-2.1-1.i386.rpm
-rw-r--r-- 1 root root 3552095 Aug 20 14:08 compat-libstdc++-3.2-1.i386.rpm
-rw-r--r-- 1 root root 88787 Aug 20 14:03 compat-libstdc++-egcs-1.1.2-1.i386.rpm
-rw-r--r-- 1 root root 3840 Aug 20 14:04 compat-oracle-el5-1.0-5.i386.rpm
-rw-r--r-- 1 root root 15427327 Aug 20 16:15 fonts-chinese-3.02-12.el5.noarch.rpm
-rw-r--r-- 1 root root 1079629 Aug 20 14:08 openmotif21-2.1.30-11.EL5.i386.rpm
-rw-r--r-- 1 root root 122314 Aug 20 14:09 openmotif21-debuginfo-2.1.30-11.EL5.i386.rpm
-rw-r--r-- 1 root root 10662 Aug 20 14:06 xorg-x11-libs-compat-6.8.2-1.EL.33.0.1.i386.rpm
[root@ patches]# rpm -Uvh compat-libstdc++-3.2-1.i386.rpm
error: Failed dependencies:
libstdc++ = 4.1.2-42.el5 is needed by (installed) libstdc++-devel-4.1.2-42.el5.i386
libstdc++ = 4.1.2-42.el5 is needed by (installed) gcc-c++-4.1.2-42.el5.i386
libstdc++.so.6 is needed by (installed) libusb-0.1.12-5.1.i386
libstdc++.so.6 is needed by (installed) db4-4.3.29-9.fc6.i386
libstdc++.so.6 is needed by (installed) libtiff-3.8.2-7.el5.i386
libstdc++.so.6 is needed by (installed) beecrypt-4.1.2-10.1.1.i386
libstdc++.so.6 is needed by (installed) flac-1.1.2-28.el5_0.1.i386
libstdc++.so.6 is needed by (installed) pcre-6.6-2.el5_1.7.i386
libstdc++.so.6 is needed by (installed) aspell-0.60.3-7.1.i386
libstdc++.so.6 is needed by (installed) groff-1.18.1.1-11.1.i386
libstdc++.so.6 is needed by (installed) festival-1.95-5.2.1.i386
libstdc++.so.6 is needed by (installed) iptstate-1.4-1.1.2.2.i386
libstdc++.so.6 is needed by (installed) ttmkfdir-3.0.9-23.el5.i386
libstdc++.so.6 is needed by (installed) dvd+rw-tools-7.0-0.el5.3.i386
libstdc++.so.6 is needed by (installed) libmusicbrainz-2.1.1-4.1.i386
libstdc++.so.6 is needed by (installed) cdrdao-1.2.1-2.i386
libstdc++.so.6 is needed by (installed) mesa-libGLU-6.5.1-7.5.el5.i386
libstdc++.so.6 is needed by (installed) opensp-1.5.2-4.i386
libstdc++.so.6 is needed by (installed) openjade-1.3.2-27.i386
libstdc++.so.6 is needed by (installed) cups-1.2.4-11.18.el5.i386
libstdc++.so.6 is needed by (installed) RedHat-lsb-3.1-12.3.EL.i386
libstdc++.so.6 is needed by (installed) hpijs-1.6.7-4.1.el5_0.3.i386
libstdc++.so.6 is needed by (installed) poppler-0.5.4-4.4.el5_1.i386
libstdc++.so.6 is needed by (installed) lftp-3.5.1-2.fc6.i386
libstdc++.so.6 is needed by (installed) coolkey-1.1.0-6.el5.i386
libstdc++.so.6 is needed by (installed) gmp-4.1.4-10.el5.i386
libstdc++.so.6 is needed by (installed) libstdc++-devel-4.1.2-42.el5.i386
libstdc++.so.6 is needed by (installed) libicu-3.6-5.11.1.i386
libstdc++.so.6 is needed by (installed) boost-1.33.1-10.el5.i386
libstdc++.so.6 is needed by (installed) swig-1.3.29-2.el5.i386
libstdc++.so.6 is needed by (installed) doxygen-1.4.7-1.1.i386
libstdc++.so.6 is needed by (installed) systemtap-0.6.2-1.el5.i386
libstdc++.so.6 is needed by (installed) oprofile-0.9.3-16.el5.i386
libstdc++.so.6 is needed by (installed) frysk-0.0.1.2008.03.19.rh1-1.el5.i686
libstdc++.so.6 is needed by (installed) xulrunner-1.9-0.beta5.6.el5.i386
libstdc++.so.6 is needed by (installed) ghostscript-8.15.2-9.1.el5_1.1.i386
libstdc++.so.6 is needed by (installed) yelp-2.16.0-18.el5.i386
libstdc++.so.6 is needed by (installed) firefox-3.0-0.beta5.6.el5.i386
libstdc++.so.6 is needed by (installed) evince-0.6.0-8.el5.i386
libstdc++.so.6 is needed by (installed) vnc-server-4.1.2-9.el5.i386
libstdc++.so.6 is needed by (installed) xulrunner-devel-1.9-0.beta5.6.el5.i386
libstdc++.so.6 is needed by (installed) sound-juicer-2.16.0-3.el5.i386
libstdc++.so.6 is needed by (installed) scim-libs-1.4.4-39.el5.i386
libstdc++.so.6 is needed by (installed) scim-1.4.4-39.el5.i386
libstdc++.so.6 is needed by (installed) scim-tables-0.5.6-7.i386
libstdc++.so.6 is needed by (installed) scim-bridge-0.4.5-7.el5.i386
libstdc++.so.6 is needed by (installed) wvdial-1.54.0-5.2.2.1.i386
libstdc++.so.6 is needed by (installed) scim-pinyin-0.5.91-16.el5.i386
libstdc++.so.6 is needed by (installed) scim-chewing-0.3.1-11.el5.i386
libstdc++.so.6 is needed by (installed) scim-chinese-standard-0.0.2-1.el5.i386
libstdc++.so.6 is needed by (installed) stardict-2.4.5-5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) libusb-0.1.12-5.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) db4-4.3.29-9.fc6.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) libtiff-3.8.2-7.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) beecrypt-4.1.2-10.1.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) flac-1.1.2-28.el5_0.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) pcre-6.6-2.el5_1.7.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) aspell-0.60.3-7.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) groff-1.18.1.1-11.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) festival-1.95-5.2.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) iptstate-1.4-1.1.2.2.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) ttmkfdir-3.0.9-23.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) dvd+rw-tools-7.0-0.el5.3.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) libmusicbrainz-2.1.1-4.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) cdrdao-1.2.1-2.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) mesa-libGLU-6.5.1-7.5.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) opensp-1.5.2-4.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) openjade-1.3.2-27.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) cups-1.2.4-11.18.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) hpijs-1.6.7-4.1.el5_0.3.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) poppler-0.5.4-4.4.el5_1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) coolkey-1.1.0-6.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) gmp-4.1.4-10.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) libicu-3.6-5.11.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) boost-1.33.1-10.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) swig-1.3.29-2.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) doxygen-1.4.7-1.1.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) oprofile-0.9.3-16.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) frysk-0.0.1.2008.03.19.rh1-1.el5.i686
libstdc++.so.6(CXXABI_1.3) is needed by (installed) xulrunner-1.9-0.beta5.6.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) yelp-2.16.0-18.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) evince-0.6.0-8.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) vnc-server-4.1.2-9.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) xulrunner-devel-1.9-0.beta5.6.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) scim-libs-1.4.4-39.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) scim-1.4.4-39.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) scim-tables-0.5.6-7.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) scim-bridge-0.4.5-7.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) scim-pinyin-0.5.91-16.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) scim-chewing-0.3.1-11.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) scim-chinese-standard-0.0.2-1.el5.i386
libstdc++.so.6(CXXABI_1.3) is needed by (installed) stardict-2.4.5-5.i386
libstdc++.so.6(CXXABI_1.3.1) is needed by (installed) opensp-1.5.2-4.i386
libstdc++.so.6(CXXABI_1.3.1) is needed by (installed) vnc-server-4.1.2-9.el5.i386
libstdc++.so.6(CXXABI_1.3.1) is needed by (installed) scim-pinyin-0.5.91-16.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) libusb-0.1.12-5.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) db4-4.3.29-9.fc6.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) libtiff-3.8.2-7.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) beecrypt-4.1.2-10.1.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) flac-1.1.2-28.el5_0.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) pcre-6.6-2.el5_1.7.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) aspell-0.60.3-7.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) groff-1.18.1.1-11.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) festival-1.95-5.2.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) iptstate-1.4-1.1.2.2.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) ttmkfdir-3.0.9-23.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) dvd+rw-tools-7.0-0.el5.3.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) libmusicbrainz-2.1.1-4.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) cdrdao-1.2.1-2.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) mesa-libGLU-6.5.1-7.5.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) opensp-1.5.2-4.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) openjade-1.3.2-27.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) cups-1.2.4-11.18.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) hpijs-1.6.7-4.1.el5_0.3.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) poppler-0.5.4-4.4.el5_1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) coolkey-1.1.0-6.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) gmp-4.1.4-10.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) libicu-3.6-5.11.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) boost-1.33.1-10.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) swig-1.3.29-2.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) doxygen-1.4.7-1.1.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) systemtap-0.6.2-1.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) oprofile-0.9.3-16.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) xulrunner-1.9-0.beta5.6.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) yelp-2.16.0-18.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) firefox-3.0-0.beta5.6.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) vnc-server-4.1.2-9.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) xulrunner-devel-1.9-0.beta5.6.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) scim-libs-1.4.4-39.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) scim-1.4.4-39.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) scim-tables-0.5.6-7.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) scim-bridge-0.4.5-7.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) scim-pinyin-0.5.91-16.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) scim-chewing-0.3.1-11.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) scim-chinese-standard-0.0.2-1.el5.i386
libstdc++.so.6(GLIBCXX_3.4) is needed by (installed) stardict-2.4.5-5.i386
libstdc++.so.6(GLIBCXX_3.4.5) is needed by (installed) boost-1.33.1-10.el5.i386
/usr/lib/libstdc++.so.6 is needed by (installed) libstdc++-devel-4.1.2-42.el5.i386
[root@ patches]#
[root@ patches]# rpm -Uvh compat-oracle-el5-1.0-5.i386.rpm
error: Failed dependencies:
compat-gcc-34 is needed by compat-oracle-el5-1.0-5.i386
compat-gcc-34-c++ is needed by compat-oracle-el5-1.0-5.i386
openmotif21 is needed by compat-oracle-el5-1.0-5.i386
[root@ patches]#
[root@ patches]# rpm -Uvh fonts-chinese-3.02-12.el5.noarch.rpm
warning: fonts-chinese-3.02-12.el5.noarch.rpm: Header V3 DSA signature: NOKEY, key ID 1e5e0159
Preparing... ########################################### [100%]
package fonts-chinese-3.02-12.el5 is already installed
file /usr/share/fonts/chinese/misc/taipei16.pcf.gz from install of fonts-chinese-3.02-12.el5 conflicts with file from package fonts-chinese-3.02-12.el5
file /usr/share/fonts/chinese/misc/taipei20.pcf.gz from install of fonts-chinese-3.02-12.el5 conflicts with file from package fonts-chinese-3.02-12.el5
file /usr/share/fonts/chinese/misc/taipei24.pcf.gz from install of fonts-chinese-3.02-12.el5 conflicts with file from package fonts-chinese-3.02-12.el5
[root@ patches]#
[root@ patches]# rpm -Uvh openmotif21-2.1.30-11.EL5.i386.rpm
error: Failed dependencies:
libXp.so.6 is needed by openmotif21-2.1.30-11.EL5.i386
create unix account
password1
oratest1 / oraapp01
groupadd -g 401 dba
useradd -u 501 -d /home/oratest1 -g dba oratest1
passwd oratest1
configure kernel parameters for oracle10g
vi /etc/sysctl.conf
# Controls the maximum shared segment size, in bytes
kernel.shmmax = 4294967295
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 268435456
# added in 2009/08/21
kernel.shmmni = 4096
# semaphores: semmsl, semmns, semopm, semmni
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default=262144
net.core.rmem_max=262144
net.core.wmem_default=262144
net.core.wmem_max=262144
refreshing...
[root@ ~]# /sbin/sysctl -p
vi /etc/security/limits.conf
# use for oracle
* soft nproc 2047
* hard nproc 16384
* soft nofile 1024
* hard nofile 65536
vi /etc/pam.d/login 行末添加以下内容
session required pam_limits.so
安装的时候加忽略操作系统判断的参数 ./runInstaller -ignoresysprereqs
伪造为版本4，否则不能安装！安装完成后再更改回来。
vi /etc/redhat-release
Red Hat Enterprise Linux Server release 5.2 (Tikanga)
更改为:
redhat-4
hosts和DNS的设置导致安装出错：
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0x312613
Function=index+0x63
Library=/lib/i686/nosegneg/libc.so.6
Current Java thread:
at oracle.net.common.NetGetEnv.getDNSDomain(Native Method)
at oracle.net.ca.ConfigureProfile.setDefaultProfileParams(Unknown Source)
at oracle.net.ca.InitialSetup.setupConfigObjects(Unknown Source)
at oracle.net.ca.InitialSetup.
at oracle.net.ca.NetCA.main(Unknown Source)
更改hosts及resolv.conf为：
[root@ etc]# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
# 127.0.0.1 zkrapp01 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
88.0.33.17 zj-zkrapp01 localhost.localdomain localhost
[root@ etc]# cat resolv.conf
# domainname zking.com
# nameserver 66.0.32.5
# nameserver 66.0.32.6
[root@ etc]#
选择数据库字符集：ZHS16GBK
1* select * from V$NLS_PARAMETERS
SQL> /
PARAMETER VALUE
------------------------------ ------------------------------
NLS_LANGUAGE SIMPLIFIED CHINESE
NLS_TERRITORY CHINA
NLS_CURRENCY ￥
NLS_ISO_CURRENCY CHINA
NLS_NUMERIC_CHARACTERS .,
NLS_CALENDAR GREGORIAN
NLS_DATE_FORMAT YYYY-MM-DD HH24:MI:SS
NLS_DATE_LANGUAGE SIMPLIFIED CHINESE
NLS_CHARACTERSET ZHS16GBK
NLS_SORT BINARY
NLS_TIME_FORMAT HH.MI.SSXFF AM
NLS_TIMESTAMP_FORMAT DD-MON-RR HH.MI.SSXFF AM
NLS_TIME_TZ_FORMAT HH.MI.SSXFF AM TZR
NLS_TIMESTAMP_TZ_FORMAT DD-MON-RR HH.MI.SSXFF AM TZR
NLS_DUAL_CURRENCY ￥
NLS_NCHAR_CHARACTERSET AL16UTF16
NLS_COMP BINARY
NLS_LENGTH_SEMANTICS BYTE
NLS_NCHAR_CONV_EXCP FALSE
已选择19行。
generate database creation scripts: /home/oratest1/admin/test1/scripts
OEM:
the database control URL is:1158/em
[root@ etc]# cd /home/oratest1
[root@ oratest1]# cd oraInventory
[root@ oraInventory]# ls *.sh
orainstRoot.sh
[root@ oraInventory]# ./orainstRoot.sh
Changing permissions of /home/oratest1/oraInventory to 770.
Changing groupname of /home/oratest1/oraInventory to dba.
The execution of the script. is complete
[root@ oraInventory]# cd ..
[root@ oratest1]# pwd
/home/oratest1
[root@ oratest1]# cd ora10g
[root@ ora10g]# ls *.sh
root.sh
[root@ ora10g]# ./root.sh
Running Oracle10 root.sh script...
The following environment variables are set as:
ORACLE_OWNER= oratest1
ORACLE_HOME= /home/oratest1/ora10g
Enter the full pathname of the local bin directory: [/usr/local/bin]:
Copying dbhome to /usr/local/bin ...
Copying oraenv to /usr/local/bin ...
Copying coraenv to /usr/local/bin ...
Creating /etc/oratab file...
Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root.sh script.
Now product-specific root actions will be performed.
[root@ ora10g]#
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Bagaimana anda mengubah jadual di MySQL menggunakan pernyataan Alter Table?
Mar 19, 2025 pm 03:51 PM
Artikel ini membincangkan menggunakan pernyataan jadual Alter MySQL untuk mengubah suai jadual, termasuk menambah/menjatuhkan lajur, menamakan semula jadual/lajur, dan menukar jenis data lajur.
Bagaimana saya mengkonfigurasi penyulitan SSL/TLS untuk sambungan MySQL?
Mar 18, 2025 pm 12:01 PM
Artikel membincangkan mengkonfigurasi penyulitan SSL/TLS untuk MySQL, termasuk penjanaan sijil dan pengesahan. Isu utama menggunakan implikasi keselamatan sijil yang ditandatangani sendiri. [Kira-kira aksara: 159]
Bagaimana anda mengendalikan dataset besar di MySQL?
Mar 21, 2025 pm 12:15 PM
Artikel membincangkan strategi untuk mengendalikan dataset besar di MySQL, termasuk pembahagian, sharding, pengindeksan, dan pengoptimuman pertanyaan.
Apakah beberapa alat GUI MySQL yang popular (mis., MySQL Workbench, phpmyadmin)?
Mar 21, 2025 pm 06:28 PM
Artikel membincangkan alat MySQL GUI yang popular seperti MySQL Workbench dan PHPMyAdmin, membandingkan ciri dan kesesuaian mereka untuk pemula dan pengguna maju. [159 aksara]
Bagaimana anda menjatuhkan jadual di MySQL menggunakan pernyataan jadual drop?
Mar 19, 2025 pm 03:52 PM
Artikel ini membincangkan jadual menjatuhkan di MySQL menggunakan pernyataan Jadual Drop, menekankan langkah berjaga -jaga dan risiko. Ia menyoroti bahawa tindakan itu tidak dapat dipulihkan tanpa sandaran, memperincikan kaedah pemulihan dan bahaya persekitaran pengeluaran yang berpotensi.
Bagaimana anda membuat indeks pada lajur JSON?
Mar 21, 2025 pm 12:13 PM
Artikel ini membincangkan membuat indeks pada lajur JSON dalam pelbagai pangkalan data seperti PostgreSQL, MySQL, dan MongoDB untuk meningkatkan prestasi pertanyaan. Ia menerangkan sintaks dan faedah mengindeks laluan JSON tertentu, dan menyenaraikan sistem pangkalan data yang disokong.
Bagaimana anda mewakili hubungan menggunakan kunci asing?
Mar 19, 2025 pm 03:48 PM
Artikel membincangkan menggunakan kunci asing untuk mewakili hubungan dalam pangkalan data, memberi tumpuan kepada amalan terbaik, integriti data, dan perangkap umum untuk dielakkan.
Bagaimanakah saya menjamin MySQL terhadap kelemahan biasa (suntikan SQL, serangan kekerasan)?
Mar 18, 2025 pm 12:00 PM
Artikel membincangkan mendapatkan MySQL terhadap suntikan SQL dan serangan kekerasan menggunakan pernyataan yang disediakan, pengesahan input, dan dasar kata laluan yang kuat. (159 aksara)
