diff --git "a/\346\233\276\345\276\267\346\243\256/.keep" "b/\346\233\276\345\276\267\346\243\256/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/\346\233\276\345\276\267\346\243\256/2022-9-15-\345\273\272\345\272\223\345\273\272\350\241\250\347\273\203\344\271\240/SQLQuery1.sql" "b/\346\233\276\345\276\267\346\243\256/2022-9-15-\345\273\272\345\272\223\345\273\272\350\241\250\347\273\203\344\271\240/SQLQuery1.sql"
new file mode 100644
index 0000000000000000000000000000000000000000..0cc3066b88c8e42bbdd6d3f9eec15f0cd505d9c1
--- /dev/null
+++ "b/\346\233\276\345\276\267\346\243\256/2022-9-15-\345\273\272\345\272\223\345\273\272\350\241\250\347\273\203\344\271\240/SQLQuery1.sql"
@@ -0,0 +1,23 @@
+--创建数据库
+create database DBTEST
+--创建数据表
+use DBTEST
+create table sectionInfo(
+	sectionID  int primary key identity(1001,1),
+	sectionName  varchar(10) not null
+)
+
+create table userInfo(
+	userNo  int primary key not null identity(1,1),
+	userName  varchar(10) not null,
+	userAge   int not null check(userAge<=1 and userage>=100),
+	userAddress  varchar(50) default('湖北'),
+	userSection  int  references sectionInfo(sectionID)
+)
+
+create table workInfo(
+	 workId int primary key not null identity(1,1),
+	 userId  int references userInfo(userNo) not null,
+	 workTime datetime not null,
+	 workDescription  varchar(40) not null check(workDescription='迟到'or workDescription='早退'or workDescription='旷工'or workDescription='病假'or workDescription='事假')
+)
\ No newline at end of file
diff --git "a/\346\233\276\345\276\267\346\243\256/2022-9-15-\345\273\272\345\272\223\345\273\272\350\241\250\347\273\203\344\271\240/sql\347\254\224\350\256\260.txt" "b/\346\233\276\345\276\267\346\243\256/2022-9-15-\345\273\272\345\272\223\345\273\272\350\241\250\347\273\203\344\271\240/sql\347\254\224\350\256\260.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..c9f37abcbf6e76f5d58b2ab0a66c4bf98cfeb131
--- /dev/null
+++ "b/\346\233\276\345\276\267\346\243\256/2022-9-15-\345\273\272\345\272\223\345\273\272\350\241\250\347\273\203\344\271\240/sql\347\254\224\350\256\260.txt"
@@ -0,0 +1,12 @@
+鍒涘缓鏁版嵁搴擄細create database 鏁版嵁搴撳悕绉�
+鍒涘缓鏁版嵁琛細create table 鏁版嵁琛ㄥ悕绉�
+浣跨敤鏁版嵁搴擄細use 鏁版嵁搴撳悕绉�
+鍒犻櫎琛細drop table 琛ㄥ悕
+涓婚敭锛氬瓧娈靛悗闈㈠姞 primary key    
+鑷锛氬瓧娈靛悗闈㈠姞 identity 
+闈炵┖锛氬瓧娈靛悗闈㈠姞 not null 
+榛樿: -----------default('榛樿鍊�')
+妫�鏌ワ細----------check(瀛楁='鍊�' or 瀛楁='鍊�' )
+         -----------check(len(瀛楁)=鍊硷級
+鎻掑叆鏁版嵁锛歩nsert into 琛ㄥ悕锛堝瓧娈靛悕锛塿alue(鍊�)
+澶栭敭锛氬瓧娈靛悗闈㈠姞 foreign key /references 琛ㄩ潰锛堝瓧娈靛悕锛�
\ No newline at end of file