Syscat.tabconst Contains a row for each unique (u), primary key (p), foreign key (f), or table check (k) constraint db2 select constname, tabname, type from syscat.tabconst.

tabconst为每个唯一性(U)、主键(p)、外键(f)或者表检查(K)约束保持一个行db2 select constname, tabname, type from syscat . tabconst。

youdao

SYSCAT.COLCHECKS Contains a row for each column that is referenced by a table check constraint db2 select constname, tabname, colname, usage from syscat.colchecks

COLCHECKS 为表检查约束所引用的每个列保持一个行 db2 select constname, tabname, colname, usage from syscat.colchecks

youdao

When you want to determine whether a given row includes a comment, you no longer need to check for a null value in the COMMENT column.

确定某一个行是否包含注释时，不再需要检查 COMMENT 列的 null 值。

youdao

Like the rest of us, Gaylord has sat in movie theaters and witnessed that annoying glow as people in row after row check their cellphone screens for messages even while the film is playing.

CNN: When the audience paddles up to the play

That recent checkup indicated that McCain's body is free of cancer, marking the fourth check in a row to show him as being cancer-free.

CNN: Sen. McCain to undergo surgery at Mayo Clinic

Montoya said he had returned to the race track from pit row before the accident, after having the crew check out a vibration he was feeling in his car.

CNN: Fire, rain make for bizarre Daytona 500