[DMDB] SQL intro (DML, DDL)

2026-07-27 21:29:09 +02:00 · 2026-06-22 16:45:25 +02:00
parent cf0bdbaff8
commit 2b066eab3c
11 changed files with 58 additions and 7 deletions
@@ -1,6 +1,6 @@
 CREATE TABLE TableName (
    Attribute integer,
    OtherAttribute varchar (30),
-    NextAttribute character (2) default "AP",
-    PRIMARY KEY (Attribute)
+    NextAttribute character (2) default "AP", -- default value, if unset on insert
+    PRIMARY KEY (Attribute) -- primary key, as in RA
 );