how to create table in oracle database

error 1005: Can't create table (errno: 121) Errno 121 means a duplicate key error. Probably the table already exists in the InnoDB internal data dictionary, though the. frm file for the table has been deleted. This isMost common reason for getting errno 121 in Table crea

. FREELISTS11 block Size limits can only specify freelists and freelist groups parameters in Create TABLE, CLUSTER, index. The number of free lists in each free list group in a Pattern object freelist GROUPS11 Depending on the number of Oracle parallel instances the number of free list groups of database objects create

/*** Created by Phpstorm.* User:administrator* Date:2015/3/31* time:14:40 */Header("Content-type:text/html;charset=utf8");//declaring the encoding format$conn=mysql_connect("localhost","Root","AAAAAA") or die("Database connection Error".Mysql_errno());//ConnectionSQL//$createTable =mysql_query ("CREATE Database Phptest", $conn) or Die ("

Oracle provides Partitioning technology to support VLDB (Very Large DataBase ). The partition table judges the partition columns to store different records in different partitions. Partitions are completely transparent to applications. Oracle partition tables can contain multiple partitions. Each partition is an indep

, archiving is required during log switching. Every step in such a complete chain may become a performance bottleneck, so it should be noticed by DBAs and database application personnel. In the following case, when a table is set to the NOLOGGING mode, a certain number of insert operations can generate less REDO records for oracle. SQL> conn/as sysdbaSQL> archive

For beginners, often do not know how to create a database, the following author as a just beginning to use the Oracle database to introduce you to use the database Configuration Assistant to complete the creation of the concrete steps. 1. Open the

Oracle Database multi-Table query instance and Oracle database instanceFlute product: the number of columns is added, and the number of rows is multiplied. SQL> -- equivalent connection SQL> -- Query employee information: employee ID name monthly salary Department name SQL>

This article starts with the basics to help you open the MySQL database door. 1. use the SHOW statement to find out the existing Database: SHOWDATABASES; + ---------- + | Database | + ---------- + | mysql | test | + ---------- + 3 rowsinset (0.00sec) 2. create a database abc

can directly put it behind the called table name or view name, and use a @ in the middle as the delimiter: SELECT * FROM tbl_bjflb @ taowei_to_101; For frequently used database links, you can create a local synonym for ease of use: Create synonym tbl_bjflb _ syn FOR tbl_bjflb @ taowei_to_101; You can also

user name and password is the password -- Create database link create database link MEDIADB connect to dbuser identified by password using 'mediadblink '; Step 3. Use the connected database3.1 Data Query, deletion, and insertion are the same as local databases, except that the ta