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Diffstat (limited to 'iredis/data/commands/select.md')
| -rw-r--r-- | iredis/data/commands/select.md | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/iredis/data/commands/select.md b/iredis/data/commands/select.md index ff366c6..9ebc04e 100644 --- a/iredis/data/commands/select.md +++ b/iredis/data/commands/select.md @@ -1,26 +1,13 @@ Select the Redis logical database having the specified zero-based numeric index. New connections always use the database 0. -Selectable Redis databases are a form of namespacing: all databases are still -persisted in the same RDB / AOF file. However different databases can have keys -with the same name, and commands like `FLUSHDB`, `SWAPDB` or `RANDOMKEY` work on -specific databases. +Selectable Redis databases are a form of namespacing: all databases are still persisted in the same RDB / AOF file. However different databases can have keys with the same name, and commands like `FLUSHDB`, `SWAPDB` or `RANDOMKEY` work on specific databases. -In practical terms, Redis databases should be used to separate different keys -belonging to the same application (if needed), and not to use a single Redis -instance for multiple unrelated applications. +In practical terms, Redis databases should be used to separate different keys belonging to the same application (if needed), and not to use a single Redis instance for multiple unrelated applications. -When using Redis Cluster, the `SELECT` command cannot be used, since Redis -Cluster only supports database zero. In the case of a Redis Cluster, having -multiple databases would be useless and an unnecessary source of complexity. -Commands operating atomically on a single database would not be possible with -the Redis Cluster design and goals. +When using Redis Cluster, the `SELECT` command cannot be used, since Redis Cluster only supports database zero. In the case of a Redis Cluster, having multiple databases would be useless and an unnecessary source of complexity. Commands operating atomically on a single database would not be possible with the Redis Cluster design and goals. -Since the currently selected database is a property of the connection, clients -should track the currently selected database and re-select it on reconnection. -While there is no command in order to query the selected database in the current -connection, the `CLIENT LIST` output shows, for each client, the currently -selected database. +Since the currently selected database is a property of the connection, clients should track the currently selected database and re-select it on reconnection. While there is no command in order to query the selected database in the current connection, the `CLIENT LIST` output shows, for each client, the currently selected database. @return |