invalid partition table

-analyze the indexAfter the table is compressed, you need to re-analyze the table and index to re-analyze the table. There are two methods:Before Oracle 10 Gb, use:BeginDbms_stats.gather_table_stats (user, upper ('End; After 10 Gb of Oracle, you can use: Analyze table Re-analyze the index and modify the two method

I. Theoretical knowledge of partitioned tables Oracle provides partitioning technology to support VLDB (Very Large DataBase). The partitioned table puts different records of the partition columns into different partitions by judging the partitioning columns. Partitions are completely transparent to the application. Oracle's partitioned tables can include multiple partitions, each of which is a separate segm

The hash partition is used to determine the partition attribution of the data by using the hash algorithm on the partitioning key. What are the advantages of using a hash partition? The advantages of commonly used partitioned tables are: such as increasing the available rows of data, reducing the burden of management, and improving the performance of statements,

partitions. Here we use the split method to continue the above experiment. SQL> alter table custaddr split partition p_other values ('000000') into (partition t_list552 tablespace icd_service, partition p_other tablespace icd_service); the table has been changed. -- Pay att

Tags: pre-built table range primary cut sts unsigned now () autoThe Range Partition Table build Table statement is as follows, where the partition key must and ID form the primary key and the unique keyCREATE TABLE ' test1 ' ( '

Partitioned table, as the name suggests. A large table is divided into smaller pieces that are easier to manage according to certain rules. Each small table corresponds to a small segment for storage, that is, a partition. The features of a partition

Benefits of MySQL using partitioned tables: 1, you can put some of the data in the collation of a partition, you can reduce the number of server check data to speed up the query.2, easy maintenance, delete the old data by deleting the partition.3, partition data can be distributed to different physical locations, can do distributed effective use of multiple hard

Partition Table, oracle Partition Table -- Delete partition truncate table partitionDeclare day number;BeginDay: = 20110901;LoopExecute immediate 'alter table lbidw. TB_DW_MGR_01_DAY tr

MBR partition table The traditional partitioning scheme, called the MBR partitioning scheme, is to save the partition information to 64 bytes in the first sector of the disk (the MBR sector). Each partition entry occupies 16 bytes, which contains the activity status flag, the file system identity, the start and end cy

Original address: http://blog.csdn.net/feihong247/article/details/7885199, MySQL partition introductionDatabase partitioning Database partitioning is a physical database design technique. Although partitioning technology can achieve many effects, its primary purpose is to reduce the amount of data read and write in a particular SQL operation in order to narrow the response time of the SQL statement, while the part