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  What SQL Statements Are Currently Running

  -- What SQL Statements Are Currently Running?SELECT start_time,'Duration (secs)'= datediff (ss,start

  2022-06-01 11:43:30 Views: 256
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  [SQL Server]: compare different SQL Server versions

  Https://www.microsoft.com/zh-cn/server-cloud/products/sql-server/comparison.aspx compares the features of each SQL Server version

  2022-06-01 11:43:30 Views: 227
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  Restart oracle database under linux

  Restart the oracle database and listener under linux: method 1: log in to linux with root as ssh, open the terminal and enter the following command: cd $ORACLE_HOME # enter the installation directory of oracle dbstart # restart the service

  2022-06-01 11:43:12 Views: 252
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  OGG ORA-1403 NO DATA FOUND

  Recently started to work on the OGG project, encountered a problem in the testing process. After using CTAS to create a table with data in it, and then deleting the table using delete from xxx;, the replicat process is abnormal. Check the ogg log and check the official website to find the reason.

  2022-06-01 11:43:12 Views: 256
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  Oracle 11g installation and configuration tutorial (figure)-win7 64-bit

  1. Download the version of Oracle 11g R2 for Windows from the official website: http://download.oracle.com/otn/nt/oracle11g/112010/win3

  2022-06-01 11:43:12 Views: 241
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  The realization method of creating automatic partition by day and adding sub-partition by column value in Oracle

  Oracle creates daily automatic partitions using the official interva function to write sub-partitions normally. The core is to configure sub-partition templates. Only after configuration can you automatically create configured partitions based on column values. Look directly at the source code CREATE TABLE "CEN_NORM_"

  2022-06-01 11:43:11 Views: 286
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  Use Xtrabackup for MySQL backups:

  Use Xtrabackup for MySQL backup: 1. Installation 1. Brief introduction Xtrabackup is a mysql database backup tool provided by percona. According to officials, it is the only open source in the world that can support innodb and xtradb.

  2022-06-01 11:43:05 Views: 234
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  Oracle11g uninstall record

  1. Deactivate the oracle service: enter the computer management. In the service, find all the services that begin with oracle, and right-click to select stop 2. In the start menu, find Universal Installer and run Oracle Universal In.

  2022-06-01 11:43:05 Views: 304
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  Two processing methods for forgetting the password of root account in MySQL database (valid)

  Methods 1:1. Stop the MySQL service # kill `cat / var/run/mysqld/ mysqld.pid` or # pkill mysqld2. Create a text file # vi mysql-in for password assignment statements

  2022-06-01 11:43:02 Views: 207
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  Understand the Nova architecture-5 minutes a day to play OpenStack (23)

  Compute Service Nova is the core service of OpenStack, which is responsible for maintaining and managing computing resources in cloud environment. OpenStack as the cloud operating system of IaaS, virtual machine lifecycle management is through Nova

  2022-06-01 11:42:56 Views: 216
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  PL/SQL Developer connection OracleX64

  Because PL/SQL can only connect to 32-bit Oracle, it takes a little bit of trouble to connect 64-bit ones. Installing oracle client software directly is a bit of a hassle, so there are the following official methods. Connect to Oracle using PL/SQL Developer

  2022-06-01 11:42:55 Views: 215
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  About file lookup and decompression

  File search and decompression to find files that meet the criteria on the file system. There are two tools for file search. Locate and find file search are divided into: locate non-real-time search (database search) updatedb update database is often used to search for stable text

  2022-06-01 11:42:55 Views: 245
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  A complete Collection of SQL statements

  There are many kinds and quantities of SQL statements, and many statements are often used. SQL query statement is a typical example. Whether it is high-level query or low-level query, SQL query statement is the most frequent. This entry is based on basic knowledge, judgment objects and application skills.

  2022-06-01 11:42:49 Views: 290
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  Prompt prompt

  Welcome to the MySQL 8.0 must-know course series. MySQL8.0 must know must-automatic deployment of https://edu.51cto.com/course/16368.html MySQL8.0 must know must know parameters standardized configuration

  2022-06-01 11:42:49 Views: 294
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  Oracle GoldenGate Studio 12.2.1.3 installation

  Introduction to OGGS Oracle GoldenGate Studio12.2.1.3 is a graphical OGG interface management tool. Through this tool can be more convenient to complete OGG replication design, its main features: 1. Logical level design OGG, no need

  2022-06-01 11:42:19 Views: 242
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  [foam] all ultimate child nodes of Sql query tree structure

  In the background project, there is a free form storage table, that is, unfixed columns, perhaps 2 columns, 3 columns, and 4 columns. But the last two columns are the results and comments, where the data needs to interact. In a dynamic table, each cell stores a row to record the parent-child relationship. The requirements are parsed and stored in the data knot according to the template data column.

  2022-06-01 11:42:16 Views: 275
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  Click yum to install mysql

  #! / bin/bashyum-y install wgetwget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch

  2022-06-01 11:41:59 Views: 292
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  Work notes-tablespace cleanup

  -- View the detailed usage of tablespaces in the database SELECT A.TABLESPACE_NAME "Tablespace name", A.TOTAL_SPACE "Total Space (M)", NVL (B.FREE_SPACE, 0) "remaining Space (M)

  2022-06-01 11:41:59 Views: 223
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  Oracle analysis function

  Aggregate functions can be operated in analytical mode or non-analytical mode. The aggregate function in non-analysis mode reduces the result set to fewer rows of data. However, in parse mode, the aggregate function does not reduce the number of rows of output results. Also, the aggregate function can get both aggregated and non-aggregated columns in a row.

  2022-06-01 11:41:59 Views: 232
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  Use merge into to complete saveOrUpdate in SQL Server and HSQLDB

  When we call the saveOrUpdate () of Hibernate or the Hibernate implementation of the save () method of JPA, we will do two steps: 1) press ID to query whether the record already exists, and 2) there is no insertion of new records.

  2022-06-01 11:41:58 Views: 202