'||E'\n';ELSEv_table_ddl :=v_table_ddl||' '--note:two char spacer to start, to indent the column||'CONSTRAINT'||' '||'"'||v_constraint_record.constraint_name||'" '||v_constraint_record.constraint_definition||','||E'\n';ENDIF;END...
sqlprof :Generate SQL profile script from sqlarea/awr/spm/profile/plan_table/etc unwrap :Extract PL/SQL code or view from database into local file, if the code is encrypted, then auto-decrypt it Scripting ora :A command set that implement the scripting engine, to run predefined or customi...
TRUNCATE TABLE 在功能上与不带 WHERE 子句的 DELETE 语句相同:二者均删除表中的全部行。但 TRUNCATE TABLE 比 DELETE 速度快,且使用的系统和事务日志资源少。 DELETE 语句每次删除一行,并在事务日志中为所删除的每行记录一项。TRUNCATE TABLE 通过释放存储表数据所用的数据页来删除数据,并且只在事务日志中记录页的...
drop table tf1; create table tf1(c1 int, c2 int, c3 varchar(32), c4 varchar(32), c5 int); insert into tf1 values(1,1000, 'China','Dalian', 23000); insert into tf1 values(2,4000, 'Janpan', 'Tokio', 45000); insert into tf1 values(3,1500, 'China', 'Xian', 25000); insert ...
In PostgreSQL, advanced concepts like table inheritance and function overloading are available. Working on Postgres is similar to its alternatives present in the market and it is rapidly growing to outshine them in the market. PostgreSQL has rich active community support and is well-maintained by ...
AlexFsmn Added feature for the opening file after exporting to CSV/XLS/JSON & query files #2216 AlexFsmm Get Connection String should copy to clipboard #2175 lanceklinger Fix for double-clicking column handle in results table #1504 westerncj for Removed duplicate contribution from README.md (...
Choose distinctive column as partition column (like primary key or unique key) to avoid data skew. If the table has built-in partition, use partition option "Physical partitions of table" to get better performance. If you use Azure Integration Runtime to copy data, you can set larger "Data...
Add Debugging Instructions to Devcontainer Setup in CONTRIBUTING.md (#7673) 6个月前 DEVCONTAINER.md Devcontainer: enable coredumps (#7523) 1年前 LICENSE Strip trailing whitespace and add final newline (#3186) 5年前 Makefile Fix problems with make check (#7433) ...
KqlScriptsGetAllNextResponse KqlScriptsGetAllOptionalParams KqlScriptsGetAllResponse KqlScriptsResourceCollectionResponse LakeHouseLinkedService LakeHouseLocation LakeHouseReadSettings LakeHouseTableDataset LakeHouseTableSink LakeHouseTableSource LakeHouseWriteSettings Library LibraryAppendOptionalParams LibraryCreateOptionalParam...
That method call can be made automatically to generate a default value for any newly inserted row. When defining the column, specify: DEFAULT uuid_generate_v1() See that command used in the following example table definition. CREATE TABLE public.pet_ ( species_ text NOT NULL, name_ text NO...