UPDATE Specifying a Correlation Name for the Updated Table in the FROM Clause 需要说明的是, SET 子句中的目标字段不能加表名alias. UPDATE e FROM employee AS e, department AS d SET salary = salary * 1.05 WHERE e.emp_no = d.emp
UPDATE Specifying a Correlation Name for the Updated Table in the FROM Clause 需要说明的是, SET 子句中的目标字段不能加表名alias. UPDATE e FROM employee AS e, department AS d SET salary = salary * 1.05 WHERE e.emp_no = d.emp_no AND LIKE '%Support%' update join 语句 UPDATE employee ...
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DELETE Statement UPDATE Statement Querying Object File System Data Managing Consumption Using the Consumption Estimates Third Party Applications Protegrity Installation Considerations for Protegrity ESA Server Setting Up the AWS PrivateLink Service Installing Protegrity Application for VantageCloud Lake...
LEFTJOIN ${AUTO_PLGADB}.lga_iata_region t4 ONt3.country_name = t4.country_name )WITHDATA PRIMARYINDEX(airport_iata_cd) ONCOMMITPRESERVEROWS; 27. UNION 与 UNION ALL UNION ---自动去除两个集合合并后重复的记录 UNION ALL ---保留重复记录 ...
23、 where )with no data PRIMARY INDEX (col1) ON COMMIT PRESERVE ROWS; 例子4:create volatile multiset table vt_net_gsm_nl as pdata.tb_net_gsm_nl with no data ON COMMIT PRESERVE ROWS;字段col2将用unicode字符集;当跟普通字段(latin字符集)join时,需要进行数据重新分布。不建议不建议失败:因为p...
sip_support "true" quoted boolean Controls whether StatementInfo parcel is used. Equivalent to the Teradata JDBC Driver SIP_SUPPORT connection parameter. sp_spl "true" quoted boolean Controls whether stored procedure source code is saved in the database when a SQL stored procedure is created. Equi...
LEFTJOIN ${AUTO_PLGADB}.lga_iata_region t4 ONt3.country_name = t4.country_name )WITHDATA PRIMARYINDEX(airport_iata_cd) ONCOMMITPRESERVEROWS; 27. UNION 与 UNION ALL UNION ---自动去除两个集合合并后重复的记录 UNION ALL ---保留重复记录 ...
When you use the Teradata ODBC driver 15.10 or a later version to run outer join queries in Microsoft Access, you receive the following error message: adoc Copy ('7B'X) is not a valid Teradata SQL token. (#-3704). Cause This issue occurs because Teradata created a new SQL parser th...
o when to use STJIs and Multi-table Join Indexes o conflicting locks in a multi-statement request o explain partial value searches and data conversions on index utilization o identify if skew on processing will occur Database Administration ...