{"id":168389,"date":"2024-11-06T11:58:22","date_gmt":"2024-11-06T03:58:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168389\/"},"modified":"2024-11-06T11:58:23","modified_gmt":"2024-11-06T03:58:23","slug":"sql-%e6%8e%a2%e7%b4%a2-sql-server%ef%bc%9a%e5%89%8d%e5%85%ad%e6%a2%9d-sql-%e8%aa%9e%e5%8f%a5%ef%bc%88sqlserver-%e5%89%8d%e5%85%ad%e6%a2%9d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168389\/","title":{"rendered":"SQL \u63a2\u7d22 SQL Server\uff1a\u524d\u516d\u689d SQL \u8a9e\u53e5\uff08sqlserver \u524d\u516d\u689d\uff09"},"content":{"rendered":"

SQL \u63a2\u7d22 SQL Server\uff1a\u524d\u516d\u689d SQL \u8a9e\u53e5<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL Server \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u7279\u5225\u662f\u5728\u4f01\u696d\u74b0\u5883\u4e2d\u3002SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u8207 SQL Server \u9032\u884c\u4ea4\u4e92\u7684\u4e3b\u8981\u8a9e\u8a00\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u516d\u689d\u57fa\u672c\u7684 SQL \u8a9e\u53e5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3 SQL Server \u7684\u64cd\u4f5c\u3002<\/p>\n

1. SELECT \u8a9e\u53e5<\/h2>\n

SELECT \u8a9e\u53e5\u662f SQL \u4e2d\u6700\u57fa\u672c\u7684\u67e5\u8a62\u8a9e\u53e5\uff0c\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

SELECT column1, column2 FROM table_name;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u5f9e\u540d\u70ba “Employees” \u7684\u8868\u4e2d\u9078\u64c7 “Name” \u548c “Position” \u5169\u500b\u6b04\u4f4d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
SELECT Name, Position FROM Employees;<\/code><\/pre>\n
2. INSERT \u8a9e\u53e5<\/h2>\n
INSERT \u8a9e\u53e5\u7528\u65bc\u5411\u6578\u64da\u8868\u4e2d\u63d2\u5165\u65b0\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
INSERT INTO table_name (column1, column2) VALUES (value1, value2);<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u5411 “Employees” \u8868\u4e2d\u63d2\u5165\u4e00\u540d\u65b0\u54e1\u5de5\u7684\u8cc7\u6599\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
INSERT INTO Employees (Name, Position) VALUES ('John Doe', 'Developer');<\/code><\/pre>\n
3. UPDATE \u8a9e\u53e5<\/h2>\n
UPDATE \u8a9e\u53e5\u7528\u65bc\u4fee\u6539\u6578\u64da\u8868\u4e2d\u5df2\u5b58\u5728\u7684\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
UPDATE table_name SET column1 = value1 WHERE condition;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u5c07 “John Doe” \u7684\u8077\u4f4d\u66f4\u65b0\u70ba “Senior Developer”\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
UPDATE Employees SET Position = 'Senior Developer' WHERE Name = 'John Doe';<\/code><\/pre>\n
4. DELETE \u8a9e\u53e5<\/h2>\n
DELETE \u8a9e\u53e5\u7528\u65bc\u5f9e\u6578\u64da\u8868\u4e2d\u522a\u9664\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
DELETE FROM table_name WHERE condition;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u540d\u70ba “John Doe” \u7684\u54e1\u5de5\u8cc7\u6599\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
DELETE FROM Employees WHERE Name = 'John Doe';<\/code><\/pre>\n
5. CREATE TABLE \u8a9e\u53e5<\/h2>\n
CREATE TABLE \u8a9e\u53e5\u7528\u65bc\u5275\u5efa\u65b0\u7684\u6578\u64da\u8868\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
CREATE TABLE table_name (column1 datatype, column2 datatype);<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba “Employees” \u7684\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
CREATE TABLE Employees (ID INT PRIMARY KEY, Name VARCHAR(100), Position VARCHAR(100));<\/code><\/pre>\n
6. DROP TABLE \u8a9e\u53e5<\/h2>\n
DROP TABLE \u8a9e\u53e5\u7528\u65bc\u522a\u9664\u6574\u500b\u6578\u64da\u8868\u53ca\u5176\u6240\u6709\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
DROP TABLE table_name;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664 “Employees” \u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
DROP TABLE Employees;<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4ee5\u4e0a\u516d\u689d SQL \u8a9e\u53e5\u662f\u4f7f\u7528 SQL Server \u9032\u884c\u6578\u64da\u64cd\u4f5c\u7684\u57fa\u790e\u3002\u638c\u63e1\u9019\u4e9b\u8a9e\u53e5\u5f8c\uff0c\u60a8\u5c07\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u7121\u8ad6\u60a8\u662f\u521d\u5b78\u8005\u9084\u662f\u6709\u7d93\u9a57\u7684\u958b\u767c\u8005\uff0c\u9019\u4e9b\u57fa\u672c\u8a9e\u53e5\u90fd\u662f\u60a8\u65e5\u5e38\u5de5\u4f5c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22 SQL Server \u7684\u524d\u516d\u689d SQL \u8a9e\u53e5\uff0c\u638c\u63e1\u57fa\u672c\u67e5\u8a62\u3001\u6578\u64da\u64cd\u4f5c\u548c\u7ba1\u7406\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u80fd\u529b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-168389","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=168389"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168389\/revisions"}],"predecessor-version":[{"id":168390,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168389\/revisions\/168390"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}