redis SELECT command
Translation results：
英[sɪˈlekt] 美[sɪˈlɛkt]
vt.Select; select; select
adj. Selected; selected; harshly selected; <口> like to pick three Picky, picky
Third person singular: selects Present participle: selecting Past tense: selected Past participle: selected
redis SELECT commandsyntax
Function:Switch to the specified database, the database index number index is specified with a numeric value, and 0 is used as the starting index value.
Syntax: SELECT index
Description: Use database number 0 by default.
Available versions: >= 1.0.0
Time complexity: O(1)
Return: OK
redis SELECT commandexample
redis> SET db_number 0 # 默认使用 0 号数据库 OK redis> SELECT 1 # 使用 1 号数据库 OK redis[1]> GET db_number # 已经切换到 1 号数据库，注意 Redis 现在的命令提示符多了个 [1] (nil) redis[1]> SET db_number 1 OK redis[1]> GET db_number "1" redis[1]> SELECT 3 # 再切换到 3 号数据库 OK redis[3]> # 提示符从 [1] 改变成了 [3]
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