从MySQL 5.1 版本开始,使用 SHOW TABLES 命令的时候不仅显示表的名字,同时也会显示视图的名字,而不存在单独显示视图的 SHOW VIEWS 命令。 [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-e86FaxYK-1579402166937)(assets/1551537565159.png)] 同样,在使用 SHOW TABLE STATUS 命令的时候,不...
1.mysql>show table statusfromsqlstudy_db like '%countries%';2.+---+---+---+---+---+---+---3.|Name|Engine|Version|Row_format|Rows|Collation|...4.+---+---+---+---+---+---+---5.|countries|InnoDB|10|Compact|11|utf8_general_ci|...6.+---+---+---...
DB=# show server_version;DB=# select version();查看DB实例运⾏状态 pg_ctl status 查看所有数据库 psql –l --查看5432端⼝下⾯有多少个DB psql –p XX –l --查看XX端⼝下⾯有多少个DB DB=# \l DB=# select * from pg_database;创建数据库 createdb database_name DB=# \h create ...
Specific (Supplementary Table 3) and horseradish peroxidase–linked antibodies were used for chemoluminescence detection. Protein expression was compared with the level of beta-actin. Small Guanosine-Triphosphate (GTP)ases Activation Assay CDC42, RAC1, and RHOA activation status was measured with G-...
-- 1.1CREATETABLEfoo(iint) TABLESPACE space1;-- 1.2 指定默认表空间SETdefault_tablespace=space1;CREATETABLEfoo(iint); 2.5.3 临时表空间 temp_tablespaces参数决定临时表和索引的位置,以及用于大数据集排序等目的的临时文件的位置。 这可以是一个表空间名的列表,而不是只有一个。因此,与临时对象有关的负载可...
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wal_receiver_status_interval = 1s hot_standby_feedback = off # 建议关闭, 如果备库出现long query,可能导致主库频繁的autovacuum(比如出现无法回收被需要的垃圾时) vacuum_defer_cleanup_age = 0 # 建议设置为0,避免主库出现频繁的autovacuum无用功,也许新版本会改进。
(1 row) postgres=# select * from pg_replication_slots; slot_name | plugin | slot_type | datoid | database | temporary | active | active_pid | xmin | catalog_xmin | restart_lsn | confirmed_flush_lsn | wal_status | safe_wal_size | two_phase ---+---+---+---+---+---+...
enum fulfillment_status: {null:0, partial:1, fulfilled:2, }scope:unknown_variant,->{where(horse_variant_id: HorseVariant.unknown_horse_variant_id) } Postgres schema dump Table"public.sales"Column|Type|Collation|Nullable|Default|Storage|Stats target|Description---+---+---+--...
Table 3 presents the association between LIPG and breast cancer risk according to menopausal status. The LIPG-breast cancer association was restricted to Pre-menopausal breast cancer (Multivariable OR for the highest category (95% CI) 4.76 (0.94–28.77), P-trend = 0.06, and 1.79 (0.61–...