Label:Or install mysql-connector-odbc-5.3.2 on the virtual machine Windows Server 2003, the outfit is the error, roughly "1918 ... Cannot load installation or converter library ... ", ask me Retry,ignore or abort. Retry is not through, ignore on the bad, abort is to give up.Google a bit, the installation package is generally missing some DLLs. Reference: http://bugs.mysql.com/bug.php?id=72292Back to Windows
Or install mysql-connector-odbc-5.3.2 on the virtual machine Windows Server 2003, the outfit is the error, roughly "1918 ... Cannot load installation or converter library ... ", ask me Retry,ignore or abort. Retry is not through, ignore on the bad, abort is to give up.Google a bit, the installation package is generally missing some DLLs. Reference: http://bugs.mysql.com/bug.php?id=72292Back to Windows 8.1,
Select from t anywhere, replace "" with a specific field list, and do not return any fields that are not available20, as far as possible to use Varchar/nvarchar instead of Char/nchar, because the first variable long field storage space is small, you can save storage space, and secondly for the query, in a relatively small field search efficiency is obviously higher.21, try to use numeric fields, if only the value of the field is not designed as a character type, which will reduce the performanc
SQL study Notes-Getting Started with SQL, installing Ubuntu for MySQL in Ubuntu
BitsCN.com
SQL study Notes-SQL beginners, MySQL installation in Ubuntu
When I first started to learn SQL
SQL statement, mysql database, SQL statement mysql
SQL statement to insert data in one table and specific data (fixed constants) into another table
insert into wm_jobpoint_allstatus(CODE,pointstatus,housestatus,roomstatus,workstatus) select code,0,1,1,1 from wm_jobpoint
INSE
Mysql master-slave backup and SQL statement backup, mysql master-slave SQL statement
The master-slave configuration of the MySQL server is a very simple task. Instead of starting from scratch, it is always on the mysql server that
MySQL Data Type and SQL model, mysql Data Type SQLMyisam does not support transactions and table locks
. Frm: storage table structure
. MYD: storage data, short for MYDATA
. MYI: storage index, abbreviated as MYIndex
Innodb (one tablespace file per table) supports transactions, row locks, and foreign keys.
. Frm storage table structure
. Ibd tablespa
16. Simple SQL Optimization for mysql partitions 1. SQL Optimization for mysql partitions
1. use show session status like '% Com _ %'; to view the execution frequency of each currently connected SQL statement: show global status like '% Com _ % '; you can view the
Records the SQL statements executed by MySQL, and records the SQL statements executed by MySQL.
Comparing Oracle functions to learning Mysql will always discover highlights
Using the log mining skill in Oracle, you can find all records that have been executed;
[Practice]: Synchronize SQL server data to mysql and SQL Server mysql in real time
1. Install and install mysqlconne
2. Configure mysqlconnector
ODBC data Manager-> system DSN-> Add-> mysql ODBC 5.3 ANSI driver-> Fill in the data source name, such as jt,
16. Simple SQL Optimization for mysql partitions 2. SQL Optimization for mysql partitions
1. index classification B-Tree supports HASH. Only memory supports R-Tree myisam and supports Full-text myisam (Full-text index. only the "=" condition in the Memory engine uses the index ======================== === Data Import O
[MySQL Notes] Powerful SQL optimization tool and powerful MySQL SQL Tool
If you have experience using MySQL, you may encounter slow SQL queries in your project. In some scenarios, you can easily locate the problem (for example, wh
MySQL Import and Export. SQL file and common command summary, mysql. SQL
Directly import the *. SQL script in MySQL Qurey Brower. You cannot execute multiple SQL commands at a time. Exe
Mysql SQL file import commands and mysql remote login instructions in MySQL Qurey Brower direct import *. SQL scripts cannot execute multiple SQL commands at a time. execute the SQL fil
[SQL] MySQL uses mysqlbinlog for incremental backup and recovery details bitsCN.com
[SQL] MySQL uses mysqlbinlog for incremental backup and recovery
Incremental Backup process
(1) configure the My. cnf file
(Configure the my. ini file in Windows) to enable binary backup:
[SQL
Mysql-amp; gt; SQL statement to delete duplicate data bitsCN.com
Mysql-> SQL statement: delete duplicate data
A question frequently asked during the interview: an SQL statement is used to delete duplicate data in the table.
Occasionally, when I talked to my colleagues abou
Mysql entry Series: SQL features in MySQL [figure] to communicate with MySQL servers, you must be familiar with SQL. For example, when using a program such as a mysql client, its function is first used as a tool for sending
Mysql Database SQL Optimization-subquery optimization and mysql Database SQL Optimization1. What are subqueries and table join queries:Subquery: The select statement is used in the select or where clause of the primary SQL statement; select. name, (select B. name from B wher
Mysql-SQL optimization summary, mysql-SQL Summary
1. First, you should create an index on the columns where and order by to avoid full table scanning.
2. Try to avoid null value determination on the field in the where clause. Otherwise, the engine will discard the index and perform full table scan.
select id from t whe
Mysql database: 1. PHP-obtain the number of rows of MySQL database query results: First, define a database interface function, which can be stored separately as a php page and on another php page, first, you must use the include function to include
First, you need to define a database interface function, which can be stored separately as a php page.
II
On another php page, you must first useInclude fun
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