Redis Ordinary database migration, only the entire Redis save, or the use of master, of course, can also install a redis-dump, but more trouble, here provides a PHP script, to achieve the transfer of the specified library number, in fact, that is, traversal according to the storage type, read out, insert the new library ; The effect is this:
The code
Study Notesthis week is the seventh week and our group has Modeling SQL Server , building tables, inserting data. Now the attention and problems, the solution is organized as follows. the first is modeling. The first step in modeling is to create a folder in the appropriate location, for example: set up a folder called the outpatient information system on the F-disk. Start SQL, Create a database within the SQL environment, and put the data files and
With ADO, you can access SQL Server and execute the appropriate SQL statements, build a table, and the following are the relevant definitions in SQL Server Books Online.
Build table:
CREATE TABLE
[
database_name. [owner].
| Owner.
] table_name
(
{
| column_name as Computed_column_expression
} [,... N]
)
[ON {filegroup | DEFAULT}]
[TEXTIMAGE_ON {Filegroup | DEFAULT}]
:: = {column_name Data_type}
[[DEFAULT constant_expression]
| [IDENTITY [(Seed, increment) [Not for REPLICATION]]]
]
[ROWGUID
Label:Here is some suggestions for if to partition a table:Tables greater than 2 GB should always is considered as candidates for partitioning.Tables containing historical data, in which new data are added into the newest partition. A typical example is a historical table where only the current month's data is updatable and the other one months are read Only.When the contents of a table must be distributed across different types of storage devicesHere are some suggestions when partitioning the t
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