大约有 382 项符合查询结果（耗时：0.0190秒） [XML]
Postgres manually alter sequence
...side: shorter & faster equivalent: SELECT setval('seq', max(col)) FROM tbl; See: stackoverflow.com/a/23390399/939860
– Erwin Brandstetter
Mar 19 '19 at 11:22
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What are the options for storing hierarchical data in a relational database? [closed]
... TG_ARGV[0] = name of table with entities with PARENT-CHILD relationships (TBL_ORIG)
-- TG_ARGV[1] = name of helper table with ANCESTOR, CHILD, DE
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
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How to convert an entire MySQL database characterset and collation to UTF-8?
...ou will need to check the MySQL manual on how to handle this.
ALTER TABLE tbl_name CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
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How to change the foreign key referential action? (behavior)
..._name;
ALTER TABLE ADD FOREIGN KEY fk_name(fk_cols)
REFERENCES tbl_name(pk_names) ON DELETE RESTRICT;
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索
使用虚拟现实和App Inventor进行实验
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数据存储组件 · App Inventor 2 中文网
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数据存储组件
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PDO Prepared Inserts multiple rows in single query
...like this, assuming a 3-column table you'd like to INSERT to.
INSERT INTO tbl_name
(colA, colB, colC)
VALUES (?, ?, ?), (?, ?, ?), (?, ?, ?) [,...]
ON DUPLICATE KEY UPDATE works as expected even with a multi-row INSERT; append this:
ON DUPLICATE KEY UPDATE colA = VALUES(colA), c...
中文网（自研/维护）拓展 · App Inventor 2 中文网
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中文网（自研/...