{"id":2220,"date":"2020-12-24T18:57:40","date_gmt":"2020-12-24T09:57:40","guid":{"rendered":"https:\/\/www.dbsheetclient.jp\/blog\/?p=2220"},"modified":"2020-12-24T21:22:56","modified_gmt":"2020-12-24T12:22:56","slug":"sequence%e3%82%b7%e3%83%bc%e3%82%b1%e3%83%b3%e3%82%b9%e3%81%ae%e7%8f%be%e5%9c%a8%e5%80%a4%e3%81%ae%e5%a4%89%e6%9b%b4%ef%bc%88sql-server%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=2220","title":{"rendered":"SEQUENCE(\u30b7\u30fc\u30b1\u30f3\u30b9)\u306e\u73fe\u5728\u5024\u306e\u5909\u66f4\uff08SQL Server\uff09"},"content":{"rendered":"

IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002<\/p>\n

\"IMG_3308\"<\/a><\/p>\n

\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\u3002\u3053\u306e\u5199\u771f\u306f2\u304b\u6708\u524d\u304f\u3089\u3044\u306b\u3001\u5cf6\u6839\u306e\u5b9f\u5bb6\u306b\u5e30\u7701\u3059\u308b\u969b\u306b\u4e57\u3063\u305f\u3001\u5bdd\u53f0\u7279\u6025\u300c\u30b5\u30f3\u30e9\u30a4\u30ba\u51fa\u96f2\u300d\u306e\u3001\u30ce\u30d3\u30ce\u30d3\u5ea7\u5e2d\u306b\u4e57\u3063\u305f\u3068\u304d\u306b\u64ae\u3063\u305f\u3082\u306e\u3067\u3059\u3002\u5bdd\u53f0\u8eca\u3068\u3044\u3046\u3068\u3001\u500b\u5ba4\u3092\u601d\u3044\u6d6e\u304b\u3079\u307e\u3059\u304c\u3001\u6700\u8fd1\u306f\u982d\u306e\u90e8\u5206\u3060\u3051\u304c\u4ed5\u5207\u3089\u308c\u3066\u3044\u3066\u3001\u305d\u3093\u306a\u306b\u305d\u308c\u305e\u308c\u306e\u30b9\u30da\u30fc\u30b9\u306f\u5e83\u304f\u306f\u306a\u3044\u3067\u3059\u304c\u3001\u30ab\u30fc\u30da\u30c3\u30c8\u306e\u5ea7\u6577\u3067\u6a2a\u306b\u306a\u3063\u3066\u3057\u3063\u304b\u308a\u5bdd\u308c\u308b\u3088\u3046\u306a\u30bf\u30a4\u30d7\u306e\u683c\u5b89\u306e\u5e2d\u304c\u3042\u308a\u307e\u3059\u3002
\u3061\u3087\u3046\u3069\u3001\u9ad8\u901f\u30d0\u30b9\u304c\u30b3\u30ed\u30ca\u798d\u3067\u904b\u884c\u3057\u3066\u3044\u306a\u3044\u6642\u671f\u3067\u3001\u5e30\u7701\u3059\u308b\u624b\u6bb5\u3092\u63a2\u3057\u305f\u3068\u3053\u308d\u898b\u3064\u304b\u308a\u3001\u5bdd\u53f0\u8eca\u306b\u4e45\u3057\u3076\u308a\u306b\u4e57\u308a\u307e\u3057\u305f\u304c\u3001\u6a2a\u306b\u306a\u3063\u3066\u4f11\u3081\u308b\u5206\u3001\u30d0\u30b9\u3088\u308a\u3082\u3086\u3063\u304f\u308a\u7720\u308c\u308b\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n

\u6700\u8fd1\u518d\u3073\u30b3\u30ed\u30ca\u306e\u611f\u67d3\u8005\u304c\u5897\u3048\u3066\u304d\u3066\u304a\u308a\u3001\u69d8\u3005\u5fc3\u914d\u306f\u5c3d\u304d\u307e\u305b\u3093\u304c\u3001\u3053\u3046\u3044\u3046\u3068\u304d\u3053\u305d\u7d46\u3092\u5927\u5207\u306b\u3057\u3001\u52b1\u307e\u3057\u3042\u3044\u306a\u304c\u3089\u3001\u9811\u5f35\u3063\u3066\u4e57\u308a\u8d8a\u3048\u3066\u884c\u304d\u305f\u3044\u3082\u306e\u3067\u3059\u3002
\u30b3\u30ed\u30ca\u30a6\u30a3\u30eb\u30b9\u3092\u59cb\u3081\u3001\u69d8\u3005\u306a\u3053\u3068\u304c\u3042\u3063\u305f\u3053\u306e1\u5e74\u3082\u3044\u3088\u3044\u3088\u7d42\u308f\u308d\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u7686\u69d8\u3082\u5065\u5eb7\u306b\u6c17\u3092\u4ed8\u3051\u3066\u3088\u3044\u304a\u5e74\u3092\u304a\u8fce\u3048\u304f\u3060\u3055\u3044\u3002<\/p>\n

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
<\/strong>SEQUENCE(<\/strong>\u30b7\u30fc\u30b1\u30f3\u30b9)<\/strong>\u306e\u73fe\u5728\u5024\u306e\u5909\u66f4\uff08SQL Server<\/strong>\uff09<\/p>\n

<\/strong>\u4ee5\u524d\u3001SEQUENCE\u306b\u3064\u3044\u3066\u30d6\u30ed\u30b0\u3067\u53d6\u308a\u4e0a\u3052\u307e\u3057\u305f<\/a>\u304c\u3001SEQUENCE\u306e\u73fe\u5728\u306e\u5024\u3092\u4fee\u6b63\u3057\u305f\u3044\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e3b\u30ad\u30fc\u306e\u5024\u3092\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u63a1\u756a\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u305f\u304c\u3001\u30c7\u30fc\u30bf\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u5fc5\u8981\u306b\u306a\u308a\u3001\u30c7\u30fc\u30bf\u3092\u30b3\u30d4\u30fc\u3057\u3066\u8ffd\u52a0\u3057\u305f\u3068\u3053\u308d\u3001\u4e3b\u30ad\u30fc\u306e\u5024\u304c\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u5024\u3068\u5927\u304d\u304f\u304b\u3051\u96e2\u308c\u305f\u5927\u304d\u306a\u5024\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3068\u3044\u3046\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u3059\u3002\u79c1\u3082\u5b9f\u969b\u306b\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u305d\u3046\u3044\u3046\u30b1\u30fc\u30b9\u306b\u3076\u3064\u304b\u3063\u3066\u3057\u307e\u3044\u3001\u4e00\u3064\u305a\u3064\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u72b6\u6cc1\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u3068\u304d\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u306e\u5024\u306e\u6700\u5927\u5024\u3092SQL\u3067\u78ba\u8a8d\u3057\u305f\u5f8c\u3001SQL ServerManagement Studio\u3067\uff11\u3064\uff11\u3064\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u73fe\u5728\u5024\u3092\u5909\u66f4\u3057\u3066\u3044\u304d\u307e\u3057\u305f\u304c\u3001\u3082\u3063\u3068\u30b9\u30e0\u30fc\u30ba\u306b\u8a2d\u5b9a\u306e\u5909\u66f4\u304c\u3067\u304d\u308b\u65b9\u6cd5\u304c\u306a\u3044\u304b\u3092\u63a2\u3057\u305f\u3068\u304d\u306b\u3001\u5bfe\u5fdc\u3057\u305f\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n

\u4f8b)
\u300ctestA\u300d\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u300cid\u300d(int\u578b)\u3092SEQUENCE\u300ctest_seqA\u300d\u3092\u4f7f\u3063\u3066\u63a1\u756a\u3059\u308b\u304b\u305f\u3061\u306b\u3057\u307e\u3059\u3002
100\u756a\u307e\u3067SEQUENCE\u3092\u4f7f\u3063\u3066\u63a1\u756a\u3057\u305f\u5f8c\u3001\u30c7\u30fc\u30bf\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u767a\u751f\u3057\u3066\u3001120\u756a\u307e\u3067\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u3068\u304d\u306b\u306fSEQUENCE\u3092\u4f7f\u3063\u3066\u63a1\u756a\u3057\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u73fe\u5728\u5024\u304c100\u306e\u307e\u307e\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u306e\u307e\u307e\u3067\u306f\u6b21\u306bSEQUENCE\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u4e3b\u30ad\u30fc\u306e\u91cd\u8907\u3067\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3067\u3059\u306e\u3067\u3001SEQUENCE\u306e\u73fe\u5728\u306e\u5024\u3092120\u306b\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u307e\u305a\u3001SEQUENCE\u300ctest_seqA\u300d\u306e\u73fe\u5728\u306e\u5024\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

SELECT current_value FROM sys.sequences WHERE name = ‘test_seqA’;<\/p>\n

\"blog100_1\"<\/p>\n

<\/a>100\u3068\u3044\u3046\u7d50\u679c\u304c\u51fa\u307e\u3057\u305f\u3002<\/p>\n

\u6b21\u306b\u3001\u30c6\u30fc\u30d6\u30eb\u300ctestA\u300d\u306e\u4e3b\u30ad\u30fc\u300cid\u300d\u306e\u6700\u5927\u5024\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

SELECT MAX(id) FROM testA;<\/p>\n

\"blog100_2\"<\/a><\/p>\n

120\u3068\u3044\u3046\u5024\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

SEQUENCE\u306e\u73fe\u5728\u306e\u5024\u3092120\u306b\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u306e1\u3064\u306f\u3001ALTER SEQUENCE\u6587\u3067\u4fee\u6b63\u3092\u884c\u3046\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n

ALTER SEQUENCE test_seqA
RESTART WITH 120
INCREMENT BY 1;<\/p>\n

\uff08\u3061\u306a\u307f\u306b\u3001SQL Server Management Studio\u3067\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3001\u300c\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u518d\u958b\u300d\u304b\u3089\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff09<\/p>\n

\u4e0a\u8a18\u306e\u4f5c\u696d\u3092\u9806\u306b\u884c\u3048\u3070\u4fee\u6b63\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u6bce\u56de\u3001\u3044\u3061\u3044\u3061\u4e0a\u8a18\u306e\u51e6\u7406\u3092\u9806\u756a\u306b\u884c\u3046\u306e\u3082\u9762\u5012\u306a\u306e\u3067\u3001\u4eca\u56de\u306f\u3001\u4e0a\u8a18\u306eALTER SEQUENCE\u6587\u3092\u4f7f\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306aSQL\u6587\u3092\u4f5c\u6210\u3057\u3066\u3001\u305d\u308c\u3092\u5b9f\u884c\u3059\u308b\u304b\u305f\u3061\u306b\u3057\u307e\u3059\u3002<\/p>\n

DECLARE
@id_MAX\u00a0\u00a0 INT
,@Seq_cur_val\u00a0\u00a0 sql_variant
,@count\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 INT = 0;<\/p>\n

SELECT @id_MAX = MAX(id)
FROM testA; <\/p>\n

SELECT @Seq_cur_val = CURRENT_VALUE FROM sys.sequences
WHERE name = \u2018test_seqA\u2019; <\/p>\n

IF @id_MAX > CAST(@Seq_cur_val AS INT)
BEGIN
WHILE @count < @id_MAX
BEGIN
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 SELECT @count = NEXT VALUE FOR test_seqA;
END;
END;<\/p>\n

\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

\"blog100_3\"<\/a><\/p>\n

\u5b9f\u884c\u5f8c\u3001SEQUENCE\u300ctest_seqA\u300d\u306e\u73fe\u5728\u306e\u5024\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

SELECT current_value FROM sys.sequences WHERE name = ‘test_seqA’;<\/p>\n

\"blog100_4\"<\/a>\u00a0<\/p>\n

\u73fe\u5728\u5024\u304c120\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002
\u3053\u306e\u72b6\u614b\u3067\u3042\u308c\u3070\u3001\u300ctetA\u300d\u30c6\u30fc\u30d6\u30eb\u306bSEQUENCE\u300ctest_seqA\u300d\u3092\u4f7f\u3063\u3066\u4e3b\u30ad\u30fc\u3092\u63a1\u756a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u6b21\u306e\u63a1\u756a\u30c7\u30fc\u30bf\u3092\u767b\u9332\u3057\u3066\u898b\u307e\u3059\u3002<\/p>\n

INSERT INTO testA(id) VALUES(NEXT VALUE FOR test_seqA);<\/p>\n

\"blog100_5\"<\/a><\/p>\n

\u30c7\u30fc\u30bf\u306f\u767b\u9332\u3055\u308c\u307e\u3057\u305f\u3002\u30c7\u30fc\u30bf\u306e\u4e3b\u30ad\u30fc\u306e\u5024\u304c\u5927\u304d\u3044\u3082\u306e\u304b\u308910\u4ef6\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

SELECT TOP 10 * FROM testA
ORDER BY id DESC;<\/p>\n

\"blog100_6\"<\/a><\/p>\n

\u6b63\u3057\u304f\u63a1\u756a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002
\u3061\u306a\u307f\u306b\u3001dbSheetClient\u3067\u306f\u3001\u4e0a\u8a18\u306eSQL\u306e\u30c6\u30fc\u30d6\u30eb\u540d\u3001\u4e3b\u30ad\u30fc\u540d\u3001SEQUENCE\u540d\u306a\u3069\u3092\u3001Excel\u306e\u30b7\u30fc\u30c8\u304b\u3089\u5024\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u4e0a\u8a18\u306eSQL\u3092\u5b9f\u884c\u3059\u308b\u30bf\u30b9\u30af\u30921\u3064\u4f5c\u6210\u3057\u3066\u3001\u305d\u308c\u3092\u5404\u30c6\u30fc\u30d6\u30eb\u3067\u5fc5\u8981\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u304a\u3044\u3066\u3082SEQUENCE\u306e\u73fe\u5728\u5024\u3092\u4fee\u6b63\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u4f55\u3068\u304b\u554f\u984c\u306a\u304f\u51e6\u7406\u3092\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u3068\u3066\u3082\u52a9\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u4eca\u65e5\u306f\u4ee5\u4e0a\u307e\u3067<\/p>\n","protected":false},"excerpt":{"rendered":"

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