You can delete an existing index in a table with the DROP index statement.
你可以将现有的索引通过DROP INDEX语句进行取消操作。
Global wasn't affected by a 4.5 percent drop Friday in the Shanghai Composite Index.
周五上证指数下跌4.5%并没有使全球范围的股市受到波及。
The script will prompt you to either drop an existing multiline text index or to create a new multiline text index.
这个脚本将提示您要么删除一个现存的多行文本索引要么创建一个新的多行文本索引。
The script will prompt you to either drop an existing index or create a new one.
这个脚本将会提示您要么删除现存的索引要么创建一个新的索引。
To solve these problems, drop the extraneous index, add a new index, or periodically clean out the large volume of obsolete data in some tables.
要解决这些问题，可以删除无关的索引，添加一个新的索引，或者在某些表中周期性地清除大量过期的数据。
Indicate that you want to drop an existing multiline text index.
这表明您想要删除一个现存的多行文本索引。
If you want those three predicates applied in the exact order in which you code them, you must drop and re-create the index (or create a new index) on (COLA, COLC, COLB).
如果您想那三个谓词完全按照它们的编码顺序应用，则必须删除并在(COLA,COLC,COLB)上重建索引(或者创建一个新索引)。
Don't add the new index and keep the existing one or simply drop the existing index.
不要添加了新索引，又保留已有的索引，或者仅仅是删除了已有的索引。
The Baltic Exchange dry index, which measures the cost of dry bulk shipping, continued to drop.
作为衡量世界干散货航运价格的指标，波罗的海干散货运价指数持续下跌。
Yet Temasek's overall performance has been merely mediocre rather than abysmal-the 37% drop in dollar terms over eight months is exactly in line with the MSCI world share index.
然而淡马锡的整体表现不过尔尔，而不是非常糟透的——在过去八个月中，以美元计算的37%的降幅完全符合摩根·士丹利世界指数。
That translated into only a 19 percent drop in body mass index, but waist size fell 23 percent.
体现在身体质量指数上，只下降了19%，而腰围却缩小了23%。
So be cautious when deciding whether or not to drop an index that appears not to be used.
因此，在决定是否删除当前未使用的索引时，一定要仔细考虑。
The Standard &Poor's 500 index is set to record the biggest drop since its creation in 1957. The index of America's biggest companies is down 40.9 percent for the year.
标准普尔500指数达到了自1957年以来最大的一次下跌，由美国最大公司组成的这个指数一年下跌了40.9%。
These conflicting operations include: compress, repack, shrink, alter, online index build, truncate, and drop.
这些冲突操作包括：压缩、重新打包、收缩、更改、在线索引构建、截断、以及删除。
Such recommendations are represented as two recommendations: Add the new index and drop the old one.
这种建议表示为两种建议：添加新索引，以及删除旧索引。
You need not drop down into SQL to create an index — you can simply use a migration.
无需采用SQL创建索引——可以简单地使用迁移创建。
To reduce contention, DROP and re-CREATE the index using the RANDOM option.
为了减少争用，DROP并使用RANDOM选项重新CREATE索引。
By the end of the week of November 11, the index stood at 228, a cumulative drop of 40 percent from the September high.
到了星期五，即11月11日，指数在228点站住了脚，此时已经从九月的高点累计下跌了百分之四十。
To better illustrate the improvement in cardinality estimation, drop all the existing indexes on the EMPLOYEE table except the primary key index.
为了更好地解释说明基数估计值的提高，撤销除主键索引外的所有employee表上的现有索引。
The Goldman Sachs-International Council of Shopping Centers sales index of retailers is expected to show a 1 percent drop in November, slightly worse than the 0.9 percent decline in October.
十一月份，高盛国际理事会购物中心零售消费指数下降了一个百分点，十月份下降0.9个百分点。
The consumer price index fell 1.7 percent in November, the Labor Department said, the second consecutive record-setting monthly drop.
劳工部宣布，11月的消费者价格指数下降了1.7%，这是连续第二个月的创纪录的跌幅。
The gloomy news weighed on shares as the FTSE 100 index fell sharply at the open to a low of 3, 927 - a drop of more than 2% - as recession fears intensified.
这则利空消息打压了股市，受到投资者对衰退恐慌加剧的影响，富时100指数低开3927点——跌幅超过2%。
The index has collapsed to under 1, 300, a 90% drop.
波罗的海干货指数（Baltic Dry Index）已经跌至1300点以下，跌幅为90%。
You should create an index in a separate table space so that if something goes wrong with the index table space, you can easily drop it and then recreate the same indexes.
您应该在单独的一个表空间上创建索引，这样如果索引表空间出现问题，您可以直接删除该表空间，然后重要创建相同的索引。
If you do decide to drop an index, you should first save its create index statement so that you can easily recreate it if necessary.
如果您决定删除索引，那么首先要保存它的CREATEindex语句，以便在需要时轻松地重新创建它。
When a user selects a date from the drop down menu, it has to be formatted into the corresponding string, requiring the opposite lookup, namely the acronym given the index.
当用户从下拉菜单中选择了一个日期后，它必须被格式化为相应的字符串，需要进行反向查找，也就是根据索引查找缩写。
More worrying is the 0.1% drop in the core index, with shopaholic fixes like clothing, hotel stays and vehicles all falling.
更令人担忧的是核心消费者价格指数那0.1%的跌幅，服装、酒店以及汽车等令购物狂心仪的东西都在降价。
They will buy up-and-coming companies when they join the index and sell them again when they drop out; it is a formula for buying high and selling low.
当一家公司被用于计算指数时，他们会购入这样的具有潜力的公司的股票，当这家公司从计算指数的组合中取消时，他们再把这些股票售出，这就是高买低售准则。
The 14.3 percent decline in the Shanghai Composite Index last year and the 10 percent drop since mid-April also don't bode well for growth.
去年上证综合指数下降了14.3%，从四月中旬到现在指数又下挫10%，这都是增长趋势不佳的预兆。
The 14.3 percent decline in the Shanghai Composite Index last year and the 10 percent drop since mid-April also don't bode well for growth.
去年上证综合指数下降了14.3%，从四月中旬到现在指数又下挫10%，这都是增长趋势不佳的预兆。
应用推荐