Delete data from all tables in a schema Delete data in Excel using Openrowset? Delete from Where Exists DELETE From with sub query delete large number of rows without growing the transaction log Delete Query is Performing too slow with around 6 million records to delete DELETE RECORDS FROM VIEW...
Sometimes you need to get a list of tables from your database. This could be to help with testing, to see what tables exist before youcreate a tableor remove one, or some other reason. If you’ve forgotten the name of a specific table, or forgotten how to spell a table (was it pl...
-- Show the size of all the tables in a database sort by data size descending SET NOCOUNT ON DECLARE @TableInfo TABLE (tablename varchar(255), rowcounts int, reserved varchar(255), DATA varchar(255), index_size varchar(255), unused varchar(255)) DECLARE @cmd1 varchar(500) SET @cmd1...
Oracle database to display the names of all tables using below query SELECT owner, table_name FROM dba_tables; SELECT owner, table_name FROM all_tables; SELECT table_name FROM user_tables; vist more : http://www.plsqlinformation.com/2016/08/get-list-of-all-tables-in-oracle.html Share ...
Query below lists all indexes in the database. Query select i.[name] as index_name, substring(column_names, 1, len(column_names)-1) as [columns], case when i.[type] = 1 then 'Clustered index' when i.[type] = 2 then 'Nonclustered unique index' when i.[type] = 3 then 'XML ...
Database Info MySQL 8.0.22 InnoDB The Goal I'm trying to get all tables in a database, with their column definitions and foreign keys, and primary keys on their own row for each table group. Given the following tables create database test; use test; CREATE TABLE authors ( id int N...
Because each of our system catalog views we're using is scoped to the database level I strongly suggest that you run it from within the context of the database you're attempting to document. The first example below does just that, returning all columns for all user tables in the d...
. Then print the list of tablesin the database just for your reference. Remember to call the usual databaseand SQL libraries. You can obtain table information using PRAGMA as we didlast week. This week we have two Olympic datasets, Summer and Winter. Inthe Summer table NOC is a 3 ...
view is a named and validated SQL query which is stored in the Oracle data dictionary. Views do not contain any data - it is just a stored query in the database that can be executed when called. One can think of a view as a virtualtable or mapping of data from one or more tables...
比如表都是在Tables文件夹中, 然后以尽快的速度输入表名,即可找到以你输入的几个字母开头的对象了.15. 快速关闭打开于Windows List中的文档窗口: 按住Shift键,左键点击需要关闭的文档窗口. 16. PL/SQL DEVELOPER中的专用复制(Special Copy) 如果你正在用 PL/SQL Developer 写 SQL 和 PL/SQL 代码, 随后你又要...