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  Batch data files import data to oracle with sqlldrr

  Many people must have used sqlload to direct text data to oracle, but if there are hundreds or thousands of data text, or text data is generated in real time. How to import oracle in bulk for this scenario? here's how I deal with it. 1.shell

  2022-06-01 09:31:17 Views: 293
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  Nodejs uses connection pooling to connect to the database

  Create OptPool.jsvar mysql = require ('mysql'); function OptPool () {this.flag = true;this.pool = mysql.creat

  2022-06-01 09:31:17 Views: 261
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  Python's MySQLdb operation database

  First, python operation database 1. Format: roughly divided into three parts: 1234567891011121314151617 code import MySQLdbconn = MySQLdb.connect (host='192.1

  2022-06-01 09:31:16 Views: 241
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  MYSQL new feature secure_file_priv read and write file o

  1290-The MySQL server is running with the-secure-file-priv option so it cannot execute this state

  2022-06-01 09:31:16 Views: 255
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  Mongodb 2.4 replica set Construction process of different server nodes (2)

  The last article has introduced the construction process of replica set in detail. This article mainly introduces http://1413570.blog.51cto.com/1403570/133761 for automatic fault switching, node addition, deletion and modification.

  2022-06-01 09:31:16 Views: 220
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  On the method of increasing oracle tablespace

  About the method of increasing oracle table space to increase the size of table space: one is to add data files to the table space / the other is to increase the original data file size of table space 1. One is to add a data file to the tablespace: alter tablespace users add

  2022-06-01 09:31:15 Views: 281
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  Maxscale works with MHA to build a highly available architecture for read-write separation (based on GTID replication master-slave architecture, mysql5.6)

  To build a highly available architecture based on GTID master-slave replication and with MHA, please refer to the previous blog: http://linzhijian.blog.51cto.com/1047212/1906434. Here only describes how to use the

  2022-06-01 09:31:15 Views: 289
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  PostgreSQL bloat inspection and processing

  1. Tool software pg_bloat_check.py (pg_bloat_check-master.zip) https://github.com/keithf4/pg_bloat_check software package requirements: 1).

  2022-06-01 09:31:15 Views: 288
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  MySQL benchmark tool-sysbench installation Test

  Environment: CentOS6.5,MySQL5.7.221. Download sysbench download address 2. Install tar-zxvf sysbench-1.1.0.tar.gzyum install automake lib

  2022-06-01 09:31:15 Views: 307
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  Talking about SQL Server query Optimization and transaction processing

  Before we briefly understand the use of various queries, however, in the actual development will also use some more advanced data processing and queries, including indexes, views, stored procedures and triggers. Thus, the operation, diagnosis and optimization of the database can be better realized. What is an index? the index is SQL S.

  2022-06-01 09:30:54 Views: 276
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  Oracle virtualbox clone virtual machine

  Copy the vdi file of the source virtual machine; generate a new uuid: execute the command: vboxmanage internalcommands sethduuid / local/vm/clss.vdi / / the path to the target file vdi (above in

  2022-06-01 09:30:39 Views: 252
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  Automatic initialization of SQL Server 2017 AlwaysOn AG (11)

  When not to use automatic seed settings in some cases, automatic seed settings may not be the best choice to initialize a secondary copy. During automatic seed setup, SQL Server performs backups over the network for initialization. If the database is very large or the secondary copy is a remote copy, this

  2022-06-01 09:30:39 Views: 215
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  Oracle various character set modification

  Select * from v$nls_parameter displays the values of nls_characterset and nls_nchar_characterset to modify the character sets nls_characterset and nls_n

  2022-06-01 09:30:39 Views: 269
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  The way to the Top of Chinese Database OceanBase

  On the day of Tmall's double 11 this year, the OceanBase database refreshed the database processing peak again, reaching 61 million times per second, setting a new world record. A month earlier, according to the authoritative International Affairs performance Committee TPC, Ant Financial Services Group's distributed relational database Oce

  2022-06-01 09:30:39 Views: 219
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  When root.sh and ORA-15031 meet

  Recently, a problem with an Oracle Grid infrastructure (GI) installation failed during the execution of root.sh with the following error: Disk Group OCR creation failed wit

  2022-06-01 09:30:38 Views: 259
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  Python operation mysql (2) Database connection and cursor establishment

  # _ * _ coding:utf-8_*_import MySQLdbDBHOST = "192.168.89.101" DBUSER = "root" DBPASSWD = "1qaz#EDC" DB = "s

  2022-06-01 09:30:38 Views: 223
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  IBM DS 5300 Storage hard disk failure data recovery in detail

  A case of North Asian data recovery receiving IBM DS5300 Storage data recovery: IBM DS5300 full name (IBM System Storage DS5300) is a mid-range storage system launched by IBM, which has a well-designed and powerful internal frame.

  2022-06-01 09:30:20 Views: 295
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  Oracle wildcard filtering (fuzzy matching)

  (1) Like is used for wildcard filtering. (2) the wildcard character for single character matching is the half-width underscore "_", which matches a single character, starting with any character, and the rest is "erry": select * from T_Employee where.

  2022-06-01 09:30:19 Views: 211
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  Sql execution order

  (8) select (9) distinct (11) (1) from (3) join (2) on (4) where (5) group by (6) with {cube | rollup} (7) ha

  2022-06-01 09:30:19 Views: 239
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  EIGRP introduction

  08 IGRP and OSPF8.1 EIGRP introduce the 8.1.1 EIGRP feature Cisco's proprietary advanced distance vector routing protocol. Is an enhanced version of IGRP (Enhanced Interior Gateway Routin

  2022-06-01 09:30:19 Views: 226