alter table switch

Create a table as defined in the target table;Add a constraint to the table to ensure that the table data is in the target partition;Alter table source table switch to target table partition NumberThe partition number can be obtained through $

Create a table as defined in the target table; Add a constraint to the table to ensure that the table data is in the target partition; Alter table source table switch to target table partition Partition Number The partition number can be obtained

SQL Example 4–alter SQL Example 4–alter SQL Create /etc/my.cnf character show create database Test;alter Database Test character set UTF8; alter database Test character set GBK; show create table user1;

Create a table as defined as the target table; Add constraint to the table to ensure that the data in the table is in the target partition; Alter table source table switch to target table partition partition code Where the partition number can be

Sql–alter Sql–altertable of Contents Character Engine Add Drop Primary key: FOREIGN key Default Modify Change Rename generally cannot be changed, the data may be wrong to change CharacterCreate

As the database data volume continues to grow, some tables need to be converted from normal heap tables to partition tables. There are several different methods for this operation, such as exporting table data, creating a partition table, and then

As the database data volume continues to grow, some tables need to be converted from normal heap tables to partition tables. There are several different methods for this operation, such as exporting table data, creating a partition table, and then

One. Query article 1. Query Oracle Table space usage Select b.file_id file ID, B.tablespace_name table Space, B.file_name Physical file name, The total number of bytes b.bytes, (B.bytes-sum (NVL (a.bytes,0))) has been used, Sum (NVL (a.bytes,0))

In SQL Server, data archiving of super Large tables, using SELECT and Delete commands is very CPU-intensive and disk space, SQL Server must record the corresponding number of transaction logs, and using the switch operation to archive partition

Reference | Reference Manual | Chinese 4 establish InnoDB table Suppose you have run the MySQL client program as a MySQL test command. In order to create a table in InnoDB format you must specify TYPE = InnoDB in the SQL command: CREATE TABLE