convert oracle to mysql

[FIELD_NAME,...] FROM TABLE_NAME WHERE condition 1 order by condition 2) c) where numrow> 80 and numrow 4. processing long strings ORACLE processing of long strings also has some special features. The maximum length of a string that can be operated during INSERT and UPDATE is less than or equal to 4000 single bytes. if you want to INSERT a longer string, use the CLOB type for the field to use the DBMS_LOB package that comes with

numeric corresponding to it. of course, there is no mysql time type in oracle. The solution is to replace. 4. differences between automatic growth types. Oracle has sequence, mysql does not, but has the auto_increment attribute. The solution is to convert the sequence in

make a non-null and length judgment. if the field value cannot be blank or the field value beyond the length is exceeded, a warning should be given, and the last operation is returned. 5. the DATE field processing MySQL DATE field is divided into two types: DATE and TIME. The Oracle DATE field only contains DATE, which contains the information of year, month, day, hour, minute, and second. the system TIME

After installing MySQL, configure the environment variables and then Input MySQL Go to MySQL Then you can Use MySQL; Select * from user; To view all users; Execute the script file in MySQL: Mysql> source XXX. SQL; 1.1 add users in

Oracle has made ten commitments to MySQL User developers. in the recent period, the merger of Oracle and SUN was of great concern to many developers, this is mainly because the ease of ownership of the MYSQL database may lead to new changes. this week, Oracle made ten commit

How to migrate a MySQL database to an Oracle database bitsCN.com: Tools to be prepared: 1. jdbc driver mysql-connector-java-5.0.4-bin.jar connecting to Mysql 2. SQL Developer 1.2 developed by Oracle Company The following is how to configure SQL Developer 1.2 Configura

function, that is, to convert data from an internal format to WKT; the corresponding ASBINARY function can be converted to WKB. The built-in gis functions of mysql provide powerful spatial analysis capabilities for mysql databases. As the fastest open source database, mysql can be widely used in the gis field. I perso

In last October, when Oracle acquired Innobase, employees and customers of MySQL, an open-source database software, had a chill. Innobase supplies an important component of MySQL. Now, MySQL has an active situation. The new company is building a proprietary transaction storage engine (trans

statement to get all views of the schema from Oracle SELECT View_name,text from user_views This gives you the name of the view and the constituent statement that creates the view. Oracle incompatible with MySQL view processing Oracle's build statements for view are somewhat looser, and MySQL