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| author | mo khan <mo.khan@gmail.com> | 2020-01-01 12:48:43 -0700 |
|---|---|---|
| committer | mo khan <mo.khan@gmail.com> | 2020-01-01 12:48:43 -0700 |
| commit | 0486ca8a47b6978210a08656378cb3160cd939b4 (patch) | |
| tree | 573f142b78185f0ba19cd991165a1ef537d1b76f | |
| parent | 9d14f747f0560ca30bdf57d07cba6c47fce7dae1 (diff) | |
Complete usage of triggers
| -rw-r--r-- | labs/2/README.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/labs/2/README.md b/labs/2/README.md index c481f4c..8a1e3f6 100644 --- a/labs/2/README.md +++ b/labs/2/README.md @@ -56,7 +56,7 @@ Indicates the name (Consumer Products, Industrial Products, and Research) and nu * [x] Use SQL queries to populate the tables with the specified data. -* [ ] It is preferable to use triggers to enforce an "on updates cascade" policy for foreign keys. +* [x] It is preferable to use triggers to enforce an "on updates cascade" policy for foreign keys. In other words, if X is an attribute in Table 1, and is a foreign key in Table 2 and Table 3, then any change to an X value in Table 1 will result in all X |