1、VSAM is a file access method used in mainframe systems.
VSAM是一种在大型机系统中使用的文件访问方法。
2、The VSAM dataset contains indexed records organized for efficient retrieval.
VSAM数据集包含索引记录,以便进行高效的检索。
SHOW FULL COLUMNS FROM `tool_word` [ RunTime:0.001646s ]
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UPDATE `tool_word` SET `views` = `views` + 1 WHERE `id` = 100769 [ RunTime:0.002717s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` IN (84820,78166,59480,38527,68274,66520,6654,28472,49271,59575,84225,19877,94364,13346,78005,53117,42190,21331,103465,55928,39468,75821,63846,103248,10632,4329,11455,71843,87470,30836) AND `switch` = 1 ORDER BY `id` DESC [ RunTime:0.006270s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` < 100769 AND `switch` = 1 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000426s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` > 100769 AND `switch` = 1 ORDER BY `id` LIMIT 1 [ RunTime:0.000680s ]