SQLWHERE Keyword ❮Previous❮ SQL KeywordsReferenceNext❯ SELECT TheWHEREcommand filters a result set to include only records that fulfill a specified condition. The following SQL statement selects all the customers from "Mexico" in the "Customers" table: ...
A UNIQUE index creates a constraint such that all values in the index must be distinct. An error occurs if you try to add a new row with a key value that matches an existing row. If you specify a prefix value for a column in a UNIQUE index, the column values must be unique within ...
This example would update allsupplier_namevalues in thesupplierstable to TBD where thecitywas Redwood City and thesupplier_idwas not equal to 900. As you can see, thesupplier_namein the third row has been updated. Example - Using "AND" Condition with the DELETE Statement ...
explain select *from tx where c3 > all(select c2 from t1); #NSET2: [30, 100000, 0] #PRJT2: [30, 100000, 0]; exp_num(4), is_atom(FALSE) #HASH RIGHT SEMI JOIN32: [30, 100000, 0]; op all;, join condition(TX.C3 > DMTEMPVIEW_00001021.col_name) #CSCN2: [23, 100000, ...
SELECT * FROM test WHERE test_value LIKE '%!%%' escape '!'; These are the results that you should see: test_idtest_value 110% 225% This example identifies the!character as an escape character. The first and last%values in the LIKE condition are treated as regular wildcards. The!%is...
SELECT last_name, first_name FROM hr.employees WHERE last_name LIKE 'K%' ORDER BY last_name, first_name; The database retrieves all rows satisfying theWHEREcondition, also called thepredicate, in a single step. The database can pass these rows as a unit to the user, to another SQL ...
c# Hashtable getting values by Key name C# Help Assigning a boolean variable based on condition C# how to check char is null or empty c# if condition string length count C# IIF check int and return string if NullorEmpty C# JSON DeserializeObject Return NULL for embedded JSON and List of JS...
直接向分区表中插入数据:insert into table score partition(month ='202107') values ('001','002','100'); 通过load方式加载数据:load data local inpath '/export/servers/hivedatas/score.csv' overwrite into table score partition(month='201806'); ...
Where ... and ({?param_id} IS NULL OR table1.ID IN ({?param_id})) {?param_id}settings: 'List of Values' = Static 'Allow multiple values' = False 'Value Type' = String with no Default Value table1.ID is of type Integer Using ...
WHERE agent_code='A002': This line specifies a condition for filtering the results. It filters the results to only include rows where the value in the 'agent_code' column is 'A002'. This condition acts as a filter, allowing only rows with 'A002' as the agent code to be included in ...