From 3dd3d6527cfef7b44aca69936a3e2752c23c50d7 Mon Sep 17 00:00:00 2001
From: Mars Liu <mars.liu@outlook.com>
Date: Sun, 29 Jan 2023 17:05:11 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E6=9F=A5=E8=AF=A2=E8=AE=A1?=
 =?UTF-8?q?=E6=95=B0=E7=9A=84=E7=AD=94=E6=A1=88=E9=94=99=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../1. \350\256\241\346\225\260/config.json"  |  5 ++-
 .../1. \350\256\241\346\225\260/count.md"     | 42 ++++++++++++++++---
 2 files changed, 40 insertions(+), 7 deletions(-)

diff --git "a/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/config.json" "b/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/config.json"
index dd301d8..2880250 100644
--- "a/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/config.json"	
+++ "b/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/config.json"	
@@ -1,6 +1,9 @@
 {
   "node_id": "mysql-ac3c072bc54749bdb82324f2b203890d",
-  "keywords": ["count", "计数"],
+  "keywords": [
+    "count",
+    "计数"
+  ],
   "children": [],
   "export": [
     "count.json"
diff --git "a/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/count.md" "b/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/count.md"
index e942268..a058515 100644
--- "a/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/count.md"	
+++ "b/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/1. \350\256\241\346\225\260/count.md"	
@@ -33,7 +33,12 @@ from items;
 ## 答案
 
 ```
-3, 4
++----------+-------------+
+| count(*) | count(item) |
++----------+-------------+
+|        4 |           3 |
++----------+-------------+
+1 row in set (0.00 sec)
 ```
 
 ## 选项
@@ -41,29 +46,54 @@ from items;
 ### A
 
 ```
-4, NULL
++----------+-------------+
+| count(*) | count(item) |
++----------+-------------+
+|        4 |        NULL |
++----------+-------------+
+1 row in set (0.00 sec)
 ```
 
 ### B
 
 ```
-3, 3
++----------+-------------+
+| count(*) | count(item) |
++----------+-------------+
+|        3 |           3 |
++----------+-------------+
+1 row in set (0.00 sec)
 ```
 
 ### C
 
 ```
-1, 0
++----------+-------------+
+| count(*) | count(item) |
++----------+-------------+
+|        4 |           4 |
++----------+-------------+
+1 row in set (0.00 sec)
 ```
 
 ### D
 
 ```
-NULL,  NULL
++----------+-------------+
+| count(*) | count(item) |
++----------+-------------+
+|     NULL |        NULL |
++----------+-------------+
+1 row in set (0.00 sec)
 ```
 
 ### E
 
 ```
-4, 4
++----------+-------------+
+| count(*) | count(item) |
++----------+-------------+
+|        4 |           0 |
++----------+-------------+
+1 row in set (0.00 sec)
 ```
\ No newline at end of file
-- 
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