DESCRIBE SEQUENCE¶
描述序列,包括序列的间隔。
DESCRIBE 可以缩写为 DESC。
语法¶
参数¶
name指定要描述的序列的标识符。
使用说明¶
要对该命令的输出进行后处理,可以使用 管道运算符 或 RESULT_SCAN 函数。两种结构都将输出视为可以查询的结果集。
For example, you can use the pipe operator or RESULT_SCAN function to select specific columns from the SHOW command output or filter the rows.
When you refer to the output columns, use double-quoted identifiers for the column names. For example, to select the output column
type, specifySELECT "type".You must use double-quoted identifiers because the output column names for SHOW commands are in lowercase. The double quotes ensure that the column names in the SELECT list or WHERE clause match the column names in the SHOW command output that was scanned.