月归档:2026年02月

semi/anti join cache

之前写过一篇标量子查询缓存http://www.minniebaby.tech/ … 继续阅读

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More about ITL in oracle

ITL(Interested Transaction List ),The Or … 继续阅读

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Oracle GoldenGate Trail File

Trail files are generated by both the or … 继续阅读

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Goldengate extract from Oracle ADG standby side ALO and ADG mode

Yes, you can extract the data from a Phy … 继续阅读

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Troubleshooting Library cache lock (OPTIMIZER EXPRESSION HEADER ) on oracle 19c

The environment is Oracle 19.14 RAC 4-no … 继续阅读

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Troubleshooting oracle 19c RAC ‘gc cr block lost’ and ‘Library Cache Load Lock’

最近遇到这个案例大量FG prorcess堵塞,19c (19.4) 2node … 继续阅读

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internal block change tracking

Oracle RMAN was able to take incremental … 继续阅读

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