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\, folder name Instantclient_11_2 2) Configure Environment variables#添加 TNS_ADMIN 和对应的路径TNS_ADMIND:\Oracle\instantclient_11_2#添加 oracle 目录ORACLE_HOMED:\Oracle\instantclient_11_2#添加 oracle 字符集NLS_LANGSIMPLIFIED CHINESE_CHINA.ZHS16GBK# 在Path 变量最开始处添加Path%ORACLE_HOME%\bin; 3) Create the Tnsnames.ora file under D:\Oracle\instantclient_11_2 and fill in the configuration file# tnsnames.ora Network Configuration File: /oracle/app/oracle/product/10.2.0/db_1/network/admin/tnsnames.ora# Generated

Tags: AC library href color using geometry instructions Open source RosDescription: Used in the work but not studied in detail, using the C # language for logical processing. Share it and I hope you will commentGeometry is a spatial object of ArcGISDbgeometry is Microsoft's space objectConvert geometry object to Dbgeometry?Dbgeometry.fromtext(String)Ideas:JS can get to the geometry object, the object is formatted as Dbgeometry object text, through Fro

;margin:0px;padding:0px;font-size:0px; "/>Use the tool interface as follows650) this.width=650; "src=" Http://img.mp.itc.cn/upload/20160606/0169d51123bf43e29b033676f3201e41.jpg "style=" border:0px;margin:0px;padding:0px;font-size:0px; "/>　　Precautions1, set the MySQL password must remember, in the future database connection will be used frequently. 2, MySQL Windows service and let it start manually, each time, to start. Otherwise, the boot will start, when not in use, still running memory.This a

How to choose a new stable versionMySQL version can be divided into alpha, Beta, GA. The GA version is the stable version of MySQL's official release. How to download MySQL in the officialMySQL can be downloaded via http://dev.mysql.com/downloads/mysql/or via Downloads->community->mysql Community Server, The free version is the Community version (MySQL Community Server). MySQL is generally used in the CentOS system, when we do not pay the general choice of "Linux-generic" generic version. The s

:47Utc_timestamp (), Utc_date (), Utc_time (); --Get the 0 time zone of the current month and time of day and minute 2018-04-04 06:19:07 2018-04-04 06:19:07Timestamp (now (), ' -00:30:00 ');---current time 30 minutes agoSummarize MySQL functions for timeAlso: MySQL is annotated like Oracle.Example:SELECT * from Tneticket a where date_format (Dtrtime, ' Yyyy-mm-dd hh:mi ') > ' 2018-04-04 10:00 ';SELECT * from Exception_msg a where a.sts= ' F ' and date (a.appl_date) = ' 2018-04-04 ' and a.err_msg

Tags: Database condition encountered Lis shared BSP platform Group by centerWork often meet a lot of demand is this, according to the conditions to summarize some fields, such as I encountered is, our company has three investment platform, the same customer with a mobile phone number in three platforms are registered, but the registered user name is not the same, when the display needs to display all registered names according to the phone number. (I'm using an Oracle database)1, the original da

=php_mssql.dll the front; remove.2) Change the display_errors=off of line No. 373 to Display_errors=on.3) the No. 342 line; Error_reporting=e_all ~e_notice the front; remove.3.config.php (Connection database)$host = ' localhost ';$user = ' sa ';$pass = ' 123456 ';$dbname = ' users ';$con = Mssql_connect ($host, $user, $pass) or Die ("Connection Server failed! ");$db = mssql_select_db ($dbname) or Die ("Database selection failed! ");?>Note: php5.3 the above version does not have the MSSQL extensi

superuser user NAME to use for disabling triggers-T,--table=name restore named table-T,--trigger=name restore named Trigger-X,--no-privileges skip restoration of access privileges (Grant/revoke)-1,--single-transactionRestore as a single transaction--disable-triggers disable triggers during data-only restore--no-data-for-failed-tablesDo not restore data of tables this could not beCreated--no-security-labels do not restore security labels--no-tablespaces do not restore tablespace assignments--use

removeabandoned per second 60 Defaultreadonly Whether connection pooling creates a connection is read-only, it should be explained that setting true only tells the database that the connection is read-only, makes it easier for the database to do some optimizations (such as not scheduling a database lock), and does not fail to perform the update operation. But the protection of data consistency is not strong (this is similar to spring's read-only transaction) JDBC De

-database: Rename table Old_tbl_name to Db_name.new_tbl_name; Modify Column Definition: Add new Column definition: add ALTER TABLE Tbl_Name add New_column_name data_type; such as ALTER TABLE exam_student add height int; Modify the definition of a column (new attribute or data type): Modify ALTER TABLE tbl_name modify COLUMN_NAME new_data_type; Delete a column: Drop ALTER TABLE tbl_name drop column_name; Rename a column: Change ALTER TABLE tbl_name change Old_column_name new_column_name new_data_

/datafile/o1_mf_users_bc7lflno_.dbf 5242880[[email Protected] bbed]$ 2.2. Create a parameter file Bbed.par--The directory of the file is best with [[email protected] bbed]$ vi/u01/app/oracle/bbed/bbed.parblocksize=8192listfile=/u01/app/oracle/bbed/ Filelist.txtmode=edit2.3. Connect bbed using parameter file[[email protected] bbed]$ bbed Parfile=/u01/app/oracle/bbed/bbed.parpassword: ---default password is blockeditbbed:release 2.0.0.0.0-limited Production on Mon Ja

Label:With the long-term use of MySQL, you can fix the table to optimize and reduce disk footprint when optimizing. Easy backup.REPAIR table ' table_name ' repair form REPAIR table is used to repair corrupted tables.OPTIMIZE table is used to reclaim unused database space, and when the data rows on the table are deleted, the disk space occupied is not immediately reclaimed, the space is reclaimed after the OPTIMIZE Table command is used, and the data rows on the disk are re-ordered (note: on disk

1 Viewing the default and supported storage enginesMysql->show engines;2 View MySQL's current default storage engineMysql->show variables like '%storage_engine% ';3 Viewing the storage engine for the test Database buyer tableMysql->show table status from test where name= ' buyer ';4 Modifying the table's storage engineMysql->alter table Buyer engine= ' InnoDB ';5 Backing up the database testAdministrator->mysqldump-uroot-padmin Test > D:/test.bake.sqlMySQL Common

ArrayCreate a modelvar personmodel=db.model (' person ', personschema);Note that mongoose will look for the plural collection of person in the database without looking for personYou can put him in the big picture.Global. Model=function (ModName) {Console.log (ModName)Return Mongoose.model (ModName)};When you use it, if you want to update the data into the data, you need a new one if the query doesn't need it.New Model (collection) (data)user== dataEntity Save methodNew Model (' user ') (user).

here) 10. Then right-click on the installed virtual machine and go to settings.11. Skip to CD/DVD, tick the ISO image file, and the path is the Noilinux installation package 12 you downloaded. Click on the network adapter and tick the first two items in the right column. 13. Finally close the settings and start the virtual machine. If the virtual machine has been hacked, click here to view the solution. Then wait until the virtual machine interface is ready to be written in the installation doc

. Uninstall/mnt:sudo umount/mntCopy:DD If=sfile Of=dfile//if represents inputfile of OutputFileCreate a 100M empty file: dd If=/dev/zero of=hello.txt bs=100m count =1//count means write several times/dev/null, nicknamed the Bottomless pit, you can output any data to it, it take all, and will not hold!/dev/zero, is an input device, you can use it to initialize the file, the data from the inside alone is 0.Compress Package Management:Tar archive:Tar cvf dir.tar dir descending dir finishing to Dir.

display(12) DOS and Linux break characters (file conversion)Dos2unix [-kn] file [NewFile]Unix2dos [-kn] file [NewFile]-K: Preserves the original mtime time format of the file-N: Preserves the original old file and outputs the converted content to the new file(13) Language encoding conversionIconv--list lists iconv supported language codesIconv-f Original code-t new code filename [-o new file]-f:from, followed by the original encoding format-t:to, followed by new encoding format-o file: Optional

restore when the preferred choice in _ full. bak file to restore, at which time the DB will display dbname (restoring ...)3. In (Restoring ...) DB name, right-"task-" Restore-"database, select the" Source Device "option, select the difference 2.bak, tick the RestoreMake the following selections on the Options pageWhen you click OK, the differential restore executes successfully.Note: We are directly selected for the difference 2.bak restore, so that will also be the difference in 1.bak data to

{} number 5. Foreach Iteration LoopsDb.users.find (). ForEach (Printjson);A function must be passed in foreach to process data information for each iteration 6. Treat the Find cursor as an arrayvar cursor = Db.users.find ();CURSOR[4];Get the data for subscript index 4Since it can be treated as an array, its length can be obtained: Cursor.length (); or cursor.count ();So we can also display the data in a loopfor (var i = 0, Len = c.length (); i 7. Convert the Find cursor to an array> var arr =

:--rotate ADB Shell Screenrecord--rotate/sdcard/demo.mp4 Description: This feature is experimental, experiments on NEXUS6 devices, recorded video playback is also rotated 90 degrees play, experience is not very friendly. 5. Export Video: ADB pull/sdcard/demo.mp4 d:/ Description: The location of the exported video is under the D-Packing directory with the name Demo.mp4 Second, the use of recording function in Ddms 1. Use DDMS on the command line to open the Android DDMS (monitor.bat) tool 2. Op