{"id":116483,"date":"2024-03-23T06:48:38","date_gmt":"2024-03-22T21:48:38","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b-declare-%e6%96%87%e3%81%ae%e7%94%a8%e9%80%94%e3%81%af%e4%bd%95%e3%81%8b\/"},"modified":"2024-03-27T22:51:30","modified_gmt":"2024-03-27T13:51:30","slug":"sql-%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b-declare-%e6%96%87%e3%81%ae%e7%94%a8%e9%80%94%e3%81%af%e4%bd%95%e3%81%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b-declare-%e6%96%87%e3%81%ae%e7%94%a8%e9%80%94%e3%81%af%e4%bd%95%e3%81%8b\/","title":{"rendered":"SQL \u306b\u304a\u3051\u308b DECLARE \u6587\u306e\u7528\u9014\u306f\u4f55\u304b"},"content":{"rendered":"

SQL\u3067DECLARE\u306f\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u307e\u305f\u306f\u30ab\u30fc\u30bd\u30eb\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u969b\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

DECLARE \u5909\u6570\u540d [\u578b] [DEFAULT \u5024];<\/p>\n

variable_name \u306f\u5909\u6570\u306e\u540d\u524d\u3067\u3001\u4efb\u610f\u306e\u6709\u52b9\u306a\u8b58\u5225\u5b50\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002type \u306f\u5909\u6570\u306e\u30c7\u30fc\u30bf\u578b\u3067\u3001\u4efb\u610f\u306e\u6709\u52b9\u306a\u30c7\u30fc\u30bf\u578b\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002DEFAULT value \u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3001\u5909\u6570\u306e\u65e2\u5b9a\u5024\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u5c40\u6240\u5909\u6570\u306e\u5ba3\u8a00\u4f8b\uff1a<\/p>\n

DECLARE @count INT;
\nDECLARE @name VARCHAR(50) DEFAULT ‘\u30b8\u30e7\u30f3’;
\nDECLARE @is_active BIT DEFAULT 1;<\/p>\n

\u30ab\u30fc\u30bd\u30eb\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u4f8b\uff1a<\/p>\n

DECLARE cursor_name CURSOR FOR SELECT column_name FROM table_name;<\/p>\n

SQL\u6587\u4e2d\u3067DECLARE\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c6\u30f3\u30dd\u30e9\u30ea\u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u3084\u30ab\u30fc\u30bd\u30eb\u306e\u64cd\u4f5c\u306b\u4f7f\u7528\u3055\u308c\u308b\u5909\u6570\u3092\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u5f8c\u7d9a\u3059\u308bSQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u5185\u3067\u3053\u308c\u3089\u306e\u5909\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u8a08\u7b97\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u64cd\u4f5c\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

SQL\u3067DECLARE\u306f\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u307e\u305f\u306f\u30ab\u30fc\u30bd\u30eb\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u969b\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 DECLARE \u5909\u6570\u540d [\u578b] [DEFAULT \u5024]; variable_name \u306f\u5909\u6570\u306e\u540d\u524d\u3067\u3001\u4efb\u610f\u306e\u6709\u52b9\u306a\u8b58 […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-116483","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nSQL \u306b\u304a\u3051\u308b DECLARE \u6587\u306e\u7528\u9014\u306f\u4f55\u304b - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/sql-\u306b\u304a\u3051\u308b-declare-\u6587\u306e\u7528\u9014\u306f\u4f55\u304b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL \u306b\u304a\u3051\u308b DECLARE \u6587\u306e\u7528\u9014\u306f\u4f55\u304b\" \/>\n<meta property=\"og:description\" content=\"SQL\u3067DECLARE\u306f\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u307e\u305f\u306f\u30ab\u30fc\u30bd\u30eb\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u969b\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 DECLARE \u5909\u6570\u540d [\u578b] [DEFAULT \u5024]; 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